{"id":3395,"date":"2024-05-08T08:51:23","date_gmt":"2024-05-08T08:51:23","guid":{"rendered":"https:\/\/pharm.sinocurechem.com\/?p=3316"},"modified":"2024-05-08T08:51:23","modified_gmt":"2024-05-08T08:51:23","slug":"unlocking-the-power-of-magnesium-sulfate-from-healing-baths-to-thriving-crops-discover-its-versatility-and-impact","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/fr\/le-pouvoir-du-sulfate-de-magnesium-des-bains-curatifs-aux-cultures-florissantes-decouvrez-sa-polyvalence-et-son-impact\/","title":{"rendered":"Le pouvoir du sulfate de magn\u00e9sium : Des bains curatifs aux cultures prosp\u00e8res, d\u00e9couvrez sa polyvalence et son impact !"},"content":{"rendered":"<p class=\"MsoNormal\" style=\"text-indent: 24.1000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: center; line-height: 125%;\" align=\"center\"><b><span style=\"font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12pt;\"><span style=\"font-family: Georgia;\">Le pouvoir du sulfate de magn\u00e9sium : Des bains curatifs aux cultures prosp\u00e8res, d\u00e9couvrez sa polyvalence et son impact !<\/span><\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 30.1000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: center; line-height: 125%;\" align=\"center\"><b><span style=\"font-family: \u5b8b\u4f53; line-height: 125%; font-size: 15pt;\"><span style=\"font-family: Georgia;\">M<\/span><\/span><\/b><b><span style=\"font-family: Georgia; line-height: 125%; font-size: 15pt;\">agnesium <\/span><\/b><b><span style=\"font-family: \u5b8b\u4f53; line-height: 125%; font-size: 15pt;\"><span style=\"font-family: Georgia;\">S<\/span><\/span><\/b><b><span style=\"font-family: Georgia; line-height: 125%; font-size: 15pt;\">ulfate<\/span><\/b><b> <\/b><b><span style=\"font-family: \u5b8b\u4f53; line-height: 125%; font-size: 15pt;\"><span style=\"font-family: Georgia;\">CAS <\/span><\/span><\/b><b><span style=\"font-family: Georgia; line-height: 125%; font-size: 15pt;\">7487-88-9<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Le sulfate de magn\u00e9sium ou sulfate de magn\u00e9sium est un compos\u00e9 chimique, incolore, au syst\u00e8me cristallin rhombo\u00e9drique. Il est soluble dans l'eau, l'\u00e9thanol, le glyc\u00e9rol et insoluble dans l'ac\u00e9tone. Il est utilis\u00e9 en pharmacie et dans l'industrie de l'impression et de la teinture, et peut \u00e9galement \u00eatre utilis\u00e9 comme d\u00e9shydratant, aliment pour animaux, engrais ou engrais compos\u00e9, et constitue \u00e9galement la mati\u00e8re premi\u00e8re pour la production d'oxyde de magn\u00e9sium.<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">\u00a0<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">sel de formule MgSO4, constitu\u00e9 de cations magn\u00e9sium Mg2+ (20,19% en masse) et d'anions sulfate <\/span><span style=\"font-family: Georgia; line-height: 125%; color: #202122; letter-spacing: 0pt; font-size: 12pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">SO2-4<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">. Il s'agit d'un solide cristallin blanc, soluble dans l'eau mais pas dans l'\u00e9thanol.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Le sulfate de magn\u00e9sium se pr\u00e9sente g\u00e9n\u00e9ralement sous la forme d'un hydrate MgSO4-nH2O, pour diff\u00e9rentes valeurs de n comprises entre 1 et 11. Le plus courant est l'heptahydrate MgSO4-7H2O, connu sous le nom de sel d'Epsom, qui est un produit chimique m\u00e9nager ayant de nombreuses utilisations traditionnelles, notamment les sels de bain.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Le sulfate de magn\u00e9sium est principalement utilis\u00e9 en agriculture, pour corriger les sols d\u00e9ficients en magn\u00e9sium (un nutriment essentiel pour les plantes en raison du r\u00f4le du magn\u00e9sium dans la chlorophylle et la photosynth\u00e8se). Le monohydrate est privil\u00e9gi\u00e9 pour cette utilisation ; au milieu des ann\u00e9es 1970, sa production s'\u00e9levait \u00e0 2,3 millions de tonnes par an. La forme anhydre et plusieurs hydrates sont pr\u00e9sents dans la nature sous forme de min\u00e9raux, et le sel est un composant important de l'eau de certaines sources.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 21.2500pt; mso-para-margin-left: 0.0000gd; text-indent: -21.2500pt; mso-char-indent-count: 0.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%; mso-list: l0 level1 lfo1;\"><!-- [if !supportLists]--><span style=\"font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; font-weight: bold; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">1.\u00a0<\/span><!--[endif]--><b><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">Sulfate de magn\u00e9sium anhydre Propri\u00e9t\u00e9s<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Num\u00e9ro CAS 7487-88-9<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Formule mol\u00e9culaire MgSO4<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Poids mol\u00e9culaire 120,37<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">N\u00b0 EINECS 231-298-2<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Point de fusion<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: \u5b8b\u4f53;\">\uff1a<\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">1124 \u00b0C<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Densit\u00e9<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: \u5b8b\u4f53;\">\uff1a<\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">1,07 g\/mL \u00e0 20 \u00b0C<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Densit\u00e9 de vapeur<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: \u5b8b\u4f53;\">\uff1a<\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">&lt;0,01 (vs air)<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Pression de vapeur<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: \u5b8b\u4f53;\">\uff1a<\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">&lt;0,1 mm Hg ( 20 \u00b0C)<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Stockage<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: \u5b8b\u4f53;\">\uff1a<\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">conditions, pas de restrictions.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Solubilit\u00e9<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: \u5b8b\u4f53;\">\uff1a<\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">H2O:1 Mat 20 \u00b0C, transparent, incolore.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Formulaire<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: \u5b8b\u4f53;\">\uff1a<\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Poudre (tr\u00e8s fine)<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Couleur<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: \u5b8b\u4f53;\">\uff1a<\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">L\u00e9g\u00e8rement gris<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Gravit\u00e9 sp\u00e9cifique<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: \u5b8b\u4f53;\">\uff1a<\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">2.66<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Odeur (Odor)<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: \u5b8b\u4f53;\">\uff1a<\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">inodore<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">PH<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: \u5b8b\u4f53;\">\uff1a<\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">7.9 (50g\/l, H2O, 25 \u00b0C)<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Inodore<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: \u5b8b\u4f53;\">\uff1a<\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Soluble dans l'eau. L\u00e9g\u00e8rement soluble dans l'alcool, le glyc\u00e9rol. Insoluble dans l'ac\u00e9tone.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Longueur d'onde maximale (\u03bbmax)<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: \u5b8b\u4f53;\">\uff1a<\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">\u03bb : 260 nm Amax : 0,03<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: \u5b8b\u4f53;\">\uff1b<\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">\u03bb : 280 nm Amax : 0,02<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Sensibilit\u00e9<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: \u5b8b\u4f53;\">\uff1a<\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Hygroscopique<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Merck<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: \u5b8b\u4f53;\">\uff1a<\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">14,5691<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Constante di\u00e9lectrique<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: \u5b8b\u4f53;\">\uff1a<\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">8,2 (ambiant)<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Stabilit\u00e9<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: \u5b8b\u4f53;\">\uff1a<\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Stable. Hygroscopicit\u00e9.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">LogP<\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\"><span style=\"font-family: \u5b8b\u4f53;\">\uff1a<\/span><\/span><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">-1,031 (est)<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 21.2500pt; mso-para-margin-left: 0.0000gd; text-indent: -21.2500pt; mso-char-indent-count: 0.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%; mso-list: l0 level1 lfo1;\"><!-- [if !supportLists]--><span style=\"font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; font-weight: bold; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">2.\u00a0<\/span><!--[endif]--><b><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">Utilisation et synth\u00e8se du sulfate de magn\u00e9sium anhydre<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 21.2500pt; mso-para-margin-left: 0.0000gd; text-indent: -21.2500pt; mso-char-indent-count: 0.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%; mso-list: l1 level1 lfo2;\"><!-- [if !supportLists]--><span style=\"font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; font-weight: bold; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">A.\u00a0<\/span><!--[endif]--><b><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">Vue d'ensemble<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Le sulfate de magn\u00e9sium, \u00e9galement connu sous le nom de soufre amer, sel amer, sel laxatif, sel laxatif, est un compos\u00e9 contenant du magn\u00e9sium. Il se pr\u00e9sente sous la forme d'un cristal incolore ou blanc ou d'une poudre blanche. Inodore. Go\u00fbt amer et sal\u00e9. Avec d\u00e9liquescence. Le sulfate de magn\u00e9sium heptahydrat\u00e9 perd six mol\u00e9cules d'eau de cristallisation \u00e0 150\u00b0C et toute l'eau de cristallisation \u00e0 200\u00b0C. La densit\u00e9 de la mati\u00e8re anhydre est de 2,66%. La densit\u00e9 de la mati\u00e8re anhydre est 2,66, le point de fusion est 1124\u2103, se d\u00e9composent en m\u00eame temps. Soluble dans l'eau, soluble dans l'alcool, l'\u00e9ther et le glyc\u00e9rol, insoluble dans l'ac\u00e9tone.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Le sulfate de magn\u00e9sium est un r\u00e9actif chimique couramment utilis\u00e9 et un r\u00e9actif sec, la compresse humide de sulfate de magn\u00e9sium a un effet anti-inflammatoire et d\u00e9senflammant, peut r\u00e9duire les l\u00e9sions tissulaires locales, la compresse humide de sulfate de magn\u00e9sium plus le film alimentaire enroul\u00e9 autour de l'ext\u00e9rieur du traitement de la phl\u00e9bite chimioth\u00e9rapeutique est l'une des m\u00e9thodes efficaces. M\u00e9dicament utilis\u00e9 comme laxatif, car il peut augmenter la pression osmotique intestinale, de sorte que les intestins retiennent beaucoup d'eau, le volume augmente, stimulant ainsi la muqueuse intestinale, favorisant l'effet de la diarrh\u00e9e. Utilis\u00e9 pour la constipation, l'\u00e9limination des toxines intestinales et les m\u00e9dicaments anthelminthiques. Utilis\u00e9 pour la chol\u00e9lithiase. \u00c9galement utilis\u00e9 dans les industries du tannage, des explosifs, des engrais, du papier, de la porcelaine, de l'imprimerie et de la teinture. Il existe une production naturelle. Il peut \u00eatre produit par l'acide sulfurique agissant sur l'oxyde de magn\u00e9sium, l'hydroxyde de magn\u00e9sium ou le carbonate de magn\u00e9sium.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Le sulfate de magn\u00e9sium est la mati\u00e8re premi\u00e8re id\u00e9ale pour la fabrication d'engrais compos\u00e9s ; il peut \u00eatre m\u00e9lang\u00e9 \u00e0 de l'azote, du phosphore et du potassium pour former des engrais compos\u00e9s ou des engrais mixtes en fonction des diff\u00e9rents besoins ; il peut \u00e9galement \u00eatre m\u00e9lang\u00e9 \u00e0 un ou plusieurs types d'\u00e9l\u00e9ments primitifs pour former divers types d'engrais et des engrais \u00e0 oligo-\u00e9l\u00e9ments photosynth\u00e9tis\u00e9s respectivement ; les engrais contenant du magn\u00e9sium sont les plus adapt\u00e9s aux sols acides, aux sols tourbeux et aux sols sablonneux. Apr\u00e8s l'essai comparatif des engrais sur le terrain pour les h\u00e9v\u00e9as, les arbres fruitiers, le tabac, les haricots et les l\u00e9gumes, les pommes de terre, les c\u00e9r\u00e9ales et d'autres neuf types de cultures, l'engrais composite contenant du magn\u00e9sium peut favoriser la croissance des cultures par rapport \u00e0 l'engrais composite sans magn\u00e9sium 15-50%. Dans l'industrie pharmaceutique, le sulfate de magn\u00e9sium est utilis\u00e9 pour les laxatifs, les anticonvulsivants, le trisilicate de magn\u00e9sium, la m\u00e9probamycine, l'ac\u00e9tylspiramycine, la myx\u00e9drine et d'autres m\u00e9dicaments. Le sulfate de magn\u00e9sium est \u00e9galement utilis\u00e9 dans le traitement des eaux us\u00e9es industrielles, les eaux us\u00e9es liquides jouant un r\u00f4le dans la coagulation et la s\u00e9dimentation, de sorte qu'elles r\u00e9pondent aux normes en mati\u00e8re d'eaux us\u00e9es.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 21.2500pt; mso-para-margin-left: 0.0000gd; text-indent: -21.2500pt; mso-char-indent-count: 0.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%; mso-list: l1 level1 lfo2;\"><!-- [if !supportLists]--><span style=\"font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; font-weight: bold; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">B.\u00a0<\/span><!--[endif]--><b><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">Histoire de la d\u00e9couverte<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Le sulfate de magn\u00e9sium est originaire d'Epsom, o\u00f9 il a \u00e9t\u00e9 d\u00e9couvert en 1695 par l'Anglais Greyjoy lors de l'\u00e9vaporation de l'eau min\u00e9rale d'Epsom, d'o\u00f9 le nom de sels d'Epsom, et a depuis \u00e9t\u00e9 obtenu \u00e0 partir de l'eau de mer. Plus r\u00e9cemment, le sulfate de magn\u00e9sium a \u00e9t\u00e9 extrait de min\u00e9raux tels que l'epsomite.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 21.2500pt; mso-para-margin-left: 0.0000gd; text-indent: -21.2500pt; mso-char-indent-count: 0.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%; mso-list: l1 level1 lfo2;\"><!-- [if !supportLists]--><span style=\"font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; font-weight: bold; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">C.\u00a0<\/span><!--[endif]--><b><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">Solubilit\u00e9<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">L'eau est vaporis\u00e9e \u00e0 150 degr\u00e9s Celsius. La solubilit\u00e9 dans l'eau du sulfate de magn\u00e9sium est li\u00e9e \u00e0 la temp\u00e9rature et \u00e0 la pression sp\u00e9cifiques dans un r\u00e9acteur \u00e0 haute temp\u00e9rature et \u00e0 haute pression. La solubilit\u00e9 du sulfate de magn\u00e9sium (g\/100 g d'eau) est de 54 g \u00e0 temp\u00e9rature ambiante et diminue au-del\u00e0 de 70 degr\u00e9s Celsius. Solubilit\u00e9 du sulfate de magn\u00e9sium (g\/100g d'eau) : 25,5 g \u00e0 0 degr\u00e9 ; 30,4 g \u00e0 10 degr\u00e9s ; 35,1 g \u00e0 20 degr\u00e9s ; 37,4 g \u00e0 25 degr\u00e9s ; 39,7 g \u00e0 30 degr\u00e9s ; 44,7 g \u00e0 40 degr\u00e9s ; 50,4 g \u00e0 50 degr\u00e9s ; 54,8 g \u00e0 60 degr\u00e9s.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 21.2500pt; mso-para-margin-left: 0.0000gd; text-indent: -21.2500pt; mso-char-indent-count: 0.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%; mso-list: l1 level1 lfo2;\"><!-- [if !supportLists]--><span style=\"font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; font-weight: bold; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">D.\u00a0<\/span><!--[endif]--><b><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">Usage pharmaceutique<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">En m\u00e9decine, le sulfate de magn\u00e9sium est utilis\u00e9 pour traiter les ongles incarn\u00e9s et comme laxatif.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 21.2500pt; mso-para-margin-left: 0.0000gd; text-indent: -21.2500pt; mso-char-indent-count: 0.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%; mso-list: l0 level1 lfo1;\"><!-- [if !supportLists]--><span style=\"font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; font-weight: bold; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">3.\u00a0<\/span><!--[endif]--><b><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">Chimique <\/span><\/b><b><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">et <\/span><\/b><b><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">Physique<\/span><\/b><b><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">\u00a0<\/span><\/b><b><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">Propri\u00e9t\u00e9s<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Ce produit est un cristal rhombo\u00e9drique incolore, d'une densit\u00e9 relative de 2,66 et d'un point de fusion de 1 124 \u00b0C. Il est soluble dans l'eau, l'\u00e9thanol et le glyc\u00e9rol. Il est soluble dans l'eau, l'\u00e9thanol et le glyc\u00e9rol. Soluble dans l'eau, l'\u00e9thanol et le glyc\u00e9rol. Insoluble dans l'ac\u00e9tone. Absorbe facilement l'humidit\u00e9.<\/span><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">La relaxation du sulfate de magn\u00e9sium est le principal m\u00e9canisme qui permet \u00e0 l'eau de mer d'absorber les sons \u00e0 des fr\u00e9quences sup\u00e9rieures \u00e0 10 kHz (l'\u00e9nergie sonore est convertie en chaleur). Le sel absorbe moins les basses fr\u00e9quences, de sorte que les sons de basse fr\u00e9quence se propagent plus loin dans l'oc\u00e9an. L'acide borique et le carbonate de magn\u00e9sium contribuent \u00e9galement \u00e0 l'absorption du son.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 21.2500pt; mso-para-margin-left: 0.0000gd; text-indent: -21.2500pt; mso-char-indent-count: 0.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%; mso-list: l0 level1 lfo1;\"><!-- [if !supportLists]--><span style=\"font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; font-weight: bold; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">4.\u00a0<\/span><!--[endif]--><b><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">Utilisations<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 21.2500pt; mso-para-margin-left: 0.0000gd; text-indent: -21.2500pt; mso-char-indent-count: 0.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%; mso-list: l2 level1 lfo3;\" align=\"justify\"><!-- [if !supportLists]--><span style=\"font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; font-weight: bold; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">A.\u00a0<\/span><!--[endif]--><b><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">Traitement m\u00e9dical<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Le sulfate de magn\u00e9sium est utilis\u00e9 \u00e0 la fois en externe (comme sel laxatif) et en interne.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">La principale application externe est la pr\u00e9paration de sulfate de magn\u00e9sium en sels de bain, notamment pour les bains de pieds afin de soulager les pieds douloureux. Les sels de bain sont \u00e9galement cens\u00e9s apaiser et acc\u00e9l\u00e9rer la r\u00e9cup\u00e9ration en cas de douleurs musculaires, de courbatures ou de blessures. La recherche m\u00e9dicale sur les effets du magn\u00e9sium sur les antid\u00e9presseurs et en tant qu'analg\u00e9sique pour les migraines et les douleurs chroniques refl\u00e8te les effets potentiels du sulfate de magn\u00e9sium sur la sant\u00e9. Le sulfate de magn\u00e9sium a \u00e9galement \u00e9t\u00e9 \u00e9tudi\u00e9 dans le traitement de l'asthme, de la pr\u00e9-\u00e9clampsie et de l'\u00e9clampsie.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Le sulfate de magn\u00e9sium est un ingr\u00e9dient courant des solutions salines concentr\u00e9es utilis\u00e9es dans les cuves d'isolement pour augmenter leur densit\u00e9 jusqu'\u00e0 environ 1,25-1,26. Cette densit\u00e9 \u00e9lev\u00e9e permet aux patients de flotter sans effort \u00e0 la surface des cuves ferm\u00e9es, en \u00e9liminant autant que possible l'irritation des sens externes.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Au Royaume-Uni, un m\u00e9dicament contenant du sulfate de magn\u00e9sium et du ph\u00e9nol est connu sous le nom de \"lassi cream\" et peut \u00eatre utilis\u00e9 pour traiter les petits furoncles ou les infections localis\u00e9es, ainsi que pour enlever les \u00e9chardes de bois.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Le sulfate de magn\u00e9sium peut \u00eatre administr\u00e9 par voie orale, respiratoire ou intraveineuse. Les utilisations internes comprennent la th\u00e9rapie de remplacement en cas de carence en magn\u00e9sium, le traitement des arythmies cardiaques aigu\u00ebs et s\u00e9v\u00e8res, comme bronchodilatateur dans le traitement de l'asthme, la pr\u00e9vention de l'\u00e9clampsie et de la paralysie c\u00e9r\u00e9brale, comme agent h\u00e9molytique et comme anticonvulsivant.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Il est \u00e9galement utilis\u00e9 comme laxatif.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 21.2500pt; mso-para-margin-left: 0.0000gd; text-indent: -21.2500pt; mso-char-indent-count: 0.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%; mso-list: l2 level1 lfo3;\" align=\"justify\"><!-- [if !supportLists]--><span style=\"font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; font-weight: bold; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">B.\u00a0<\/span><!--[endif]--><b><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">Agriculture<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">En agriculture, le sulfate de magn\u00e9sium est utilis\u00e9 pour augmenter la teneur en magn\u00e9sium ou en soufre du sol. Il est le plus souvent utilis\u00e9 pour les plantes en pot ou les cultures exigeantes en magn\u00e9sium telles que les pommes de terre, les tomates, les carottes, les poivrons, les citrons et les roses. L'avantage du sulfate de magn\u00e9sium par rapport \u00e0 d'autres amendements contenant du magn\u00e9sium, comme la dolomite de calcium, est sa grande solubilit\u00e9, ce qui en fait une option pour l'application foliaire \u00e9galement. Le pH des solutions de sulfate de magn\u00e9sium est proche de la neutralit\u00e9 par rapport aux sels de magn\u00e9sium l\u00e9g\u00e8rement alcalins que l'on trouve dans le calcaire ; par cons\u00e9quent, l'utilisation du sulfate de magn\u00e9sium comme source de magn\u00e9sium dans le sol ne modifiera pas de mani\u00e8re significative le pH du sol. Le sulfate de magn\u00e9sium lutte contre les ravageurs et les limaces, favorise la germination des graines, produit plus de fleurs, am\u00e9liore l'absorption des nutriments et est respectueux de l'environnement, mais contrairement \u00e0 la croyance populaire, le sulfate de magn\u00e9sium n'a pas d'autre effet que de corriger les carences en magn\u00e9sium dans le sol.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">L'utilisation excessive de sulfate de magn\u00e9sium peut m\u00eame contaminer les r\u00e9serves d'eau.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Avant l'av\u00e8nement de la th\u00e9rapie par ch\u00e9lation, le sulfate de magn\u00e9sium \u00e9tait historiquement utilis\u00e9 pour traiter le saturnisme, car on esp\u00e9rait que le plomb ing\u00e9r\u00e9 serait pr\u00e9cipit\u00e9 par le sulfate de magn\u00e9sium et ensuite \u00e9limin\u00e9 par le syst\u00e8me digestif. Au d\u00e9but et au milieu du 20e si\u00e8cle, cette application \u00e9tait particuli\u00e8rement r\u00e9pandue en m\u00e9decine v\u00e9t\u00e9rinaire ; des sels laxatifs \u00e9taient d\u00e9j\u00e0 disponibles dans de nombreuses fermes pour un usage agricole et \u00e9taient souvent prescrits pour le traitement des animaux de ferme qui avaient ing\u00e9r\u00e9 du plomb par inadvertance.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 21.2500pt; mso-para-margin-left: 0.0000gd; text-indent: -21.2500pt; mso-char-indent-count: 0.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%; mso-list: l2 level1 lfo3;\" align=\"justify\"><!-- [if !supportLists]--><span style=\"font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; font-weight: bold; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">C.\u00a0<\/span><!--[endif]--><b><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">Pr\u00e9paration des aliments<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Le sulfate de magn\u00e9sium est utilis\u00e9 comme<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Sel de brasserie pour le brassage de la bi\u00e8re<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Coagulant pour le tofu<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Un substitut du sel<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Ingr\u00e9dient dans l'eau en bouteille pour la reconstitution des min\u00e9raux et l'am\u00e9lioration du go\u00fbt<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 21.2500pt; mso-para-margin-left: 0.0000gd; text-indent: -21.2500pt; mso-char-indent-count: 0.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%; mso-list: l2 level1 lfo3;\" align=\"justify\"><!-- [if !supportLists]--><span style=\"font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; font-weight: bold; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">D.\u00a0<\/span><!--[endif]--><b><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">Chimique<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Le sulfate de magn\u00e9sium anhydre est couramment utilis\u00e9 comme d\u00e9shydratant dans la synth\u00e8se organique en raison de son affinit\u00e9 pour l'eau et de sa compatibilit\u00e9 avec la plupart des compos\u00e9s organiques. Dans le processus de travail, la phase organique est trait\u00e9e avec du sulfate de magn\u00e9sium anhydre. Le solide hydrat\u00e9 est ensuite \u00e9limin\u00e9 par filtration, d\u00e9cantation ou distillation (si le point d'\u00e9bullition est suffisamment bas). D'autres sulfates inorganiques (par exemple, le sulfate de sodium et le sulfate de calcium) peuvent \u00eatre utilis\u00e9s de la m\u00eame mani\u00e8re.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 21.2500pt; mso-para-margin-left: 0.0000gd; text-indent: -21.2500pt; mso-char-indent-count: 0.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%; mso-list: l2 level1 lfo3;\" align=\"justify\"><!-- [if !supportLists]--><span style=\"font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; font-weight: bold; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">E.\u00a0<\/span><!--[endif]--><b><span style=\"font-family: Georgia; font-size: 10.5pt;\">La construction<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Le sulfate de magn\u00e9sium est utilis\u00e9 pour pr\u00e9parer des ciments sp\u00e9cifiques par la r\u00e9action de solutions d'oxyde de magn\u00e9sium et de sulfate de magn\u00e9sium, qui ont une bonne capacit\u00e9 d'adh\u00e9rence et sont plus r\u00e9sistants \u00e0 l'abrasion que le ciment Portland. Ces ciments sont principalement utilis\u00e9s dans la production de panneaux isolants l\u00e9gers, mais leur faible r\u00e9sistance \u00e0 l'eau limite leur utilisation.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Le sulfate de magn\u00e9sium (ou de sodium) peut \u00e9galement \u00eatre utilis\u00e9 pour tester l'int\u00e9grit\u00e9 des agr\u00e9gats lorsque le mat\u00e9riau n'a pas \u00e9t\u00e9 expos\u00e9 \u00e0 des conditions climatiques r\u00e9elles, conform\u00e9ment \u00e0 la norme ASTM C88. Le test est r\u00e9alis\u00e9 par immersion r\u00e9p\u00e9t\u00e9e dans une solution satur\u00e9e, suivie d'un s\u00e9chage \u00e0 l'\u00e9tuve pour d\u00e9shydrater le sel pr\u00e9cipit\u00e9 dans les pores perm\u00e9ables. La force d'expansion interne cr\u00e9\u00e9e par la r\u00e9hydratation du sel lors de la r\u00e9immersion imite l'expansion de l'eau lorsqu'elle g\u00e8le.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Le sulfate de magn\u00e9sium est \u00e9galement utilis\u00e9 pour tester la r\u00e9sistance du b\u00e9ton aux attaques de sulfate externe (ESA).<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 21.2500pt; mso-para-margin-left: 0.0000gd; text-indent: -21.2500pt; mso-char-indent-count: 0.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%; mso-list: l2 level1 lfo3;\" align=\"justify\"><!-- [if !supportLists]--><span style=\"font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; font-weight: bold; font-size: 10.5000pt; mso-font-kerning: 1.0000pt;\">F.\u00a0<\/span><!--[endif]--><b><span style=\"font-family: Georgia; font-size: 10.5pt;\">Aquariums<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; line-height: 125%;\" align=\"justify\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Le sulfate de magn\u00e9sium heptahydrat\u00e9 est \u00e9galement utilis\u00e9 pour maintenir les concentrations de magn\u00e9sium dans les aquariums marins contenant un grand nombre de coraux pierreux, car le magn\u00e9sium est lentement \u00e9puis\u00e9 au cours du processus de calcification des coraux pierreux. Les concentrations de calcium et d'alcalinit\u00e9 sont difficiles \u00e0 contr\u00f4ler dans les aquariums marins d\u00e9ficients en magn\u00e9sium, car il n'y a pas assez de magn\u00e9sium pour stabiliser ces ions dans l'eau de mer et les emp\u00eacher de pr\u00e9cipiter spontan\u00e9ment en carbonate de calcium.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 21.2500pt; mso-para-margin-left: 0.0000gd; text-indent: -21.2500pt; mso-char-indent-count: 0.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%; mso-list: l0 level1 lfo1;\"><!-- [if !supportLists]--><span style=\"font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; font-weight: bold; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">5.\u00a0<\/span><!--[endif]--><b><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">Processus de production<\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Actuellement, le processus de production du sulfate de magn\u00e9sium adopte principalement la m\u00e9thode de l'acide sulfurique et la m\u00e9thode de la saumure am\u00e8re du lac marin, etc. En outre, il existe des m\u00e9thodes utilisant les sous-produits de la production de poudre d'acide borique taiwanais pour produire du sulfate de magn\u00e9sium.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">M\u00e9thode de l'acide sulfurique : L'oxyde de magn\u00e9sium (hydroxyde de magn\u00e9sium ou carbonate de magn\u00e9sium) r\u00e9agit avec l'acide sulfurique pour produire du sulfate de magn\u00e9sium. La formule de la r\u00e9action est la suivante : Mg0+H2SO4+6H2O=MgSO4-7H2O<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">M\u00e9thode de la saumure de lac sal\u00e9 : \u00e0 partir de la liqueur m\u00e8re de nitrate de mangan\u00e8se, \u00e9vaporation naturelle, cristallisation, raffinage pour obtenir du sulfate de magn\u00e9sium.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">M\u00e9thode de retannage \u00e0 la saumure am\u00e8re : utiliser de l'eau de mer pour obtenir du sulfate de magn\u00e9sium heptahydrat\u00e9 brut contenant du NaCl, et produire du sulfate de magn\u00e9sium heptahydrat\u00e9 par la m\u00e9thode de lavage ou de recristallisation.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"margin-left: 21.2500pt; mso-para-margin-left: 0.0000gd; text-indent: -21.2500pt; mso-char-indent-count: 0.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%; mso-list: l0 level1 lfo1;\"><!-- [if !supportLists]--><span style=\"font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; font-weight: bold; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">6.\u00a0<\/span><!--[endif]--><b><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">M\u00e9thode de production <\/span><\/b><b><\/b><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">Le sulfate de magn\u00e9sium est g\u00e9n\u00e9ralement obtenu directement \u00e0 partir de lits de lacs ass\u00e9ch\u00e9s et d'autres sources naturelles. Il peut \u00e9galement \u00eatre pr\u00e9par\u00e9 en faisant r\u00e9agir de la magn\u00e9site (carbonate de magn\u00e9sium, MgCO3) ou de l'oxyde de magn\u00e9sium (oxyde, MgO) avec de l'acide sulfurique (H2SO4) :<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">H2SO4 + MgCO3 \u2192 MgSO4 + H2O + CO2<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">Une autre m\u00e9thode possible consiste \u00e0 traiter l'eau de mer ou les d\u00e9chets industriels contenant du magn\u00e9sium pour pr\u00e9cipiter l'hydroxyde de magn\u00e9sium, puis \u00e0 faire r\u00e9agir le pr\u00e9cipit\u00e9 avec de l'acide sulfurique.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"font-family: Georgia; line-height: 125%; font-size: 12pt;\">En outre, le sulfate de magn\u00e9sium heptahydrat\u00e9 (epsomite, MgSO4-7H2O) est fabriqu\u00e9 en dissolvant le sulfate de magn\u00e9sium monohydrat\u00e9 (kieserite, MgSO4-H2O) dans l'eau et en cristallisant le sulfate de magn\u00e9sium heptahydrat\u00e9.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">La m\u00e9thode de recristallisation consiste \u00e0 ajouter du sulfate de magn\u00e9sium industriel dans le r\u00e9servoir de dissolution, \u00e0 le dissoudre avec de l'eau, \u00e0 purifier la solution pour \u00e9liminer l'arsenic et les m\u00e9taux lourds, \u00e0 la filtrer et \u00e0 concentrer le filtrat, \u00e0 le refroidir et \u00e0 le cristalliser, \u00e0 le centrifuger et \u00e0 le s\u00e9parer pour obtenir du sulfate de magn\u00e9sium raffin\u00e9, qui est s\u00e9ch\u00e9 et d\u00e9shydrat\u00e9 \u00e0 200 \u00b0C pour produire du sulfate de magn\u00e9sium anhydre fini destin\u00e9 \u00e0 l'alimentation animale.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">M\u00e9thode de lixiviation par fusion \u00e0 chaud Injecter la liqueur m\u00e8re de sulfate de magn\u00e9sium (30 g\/100 ml) dans l'appareil de lixiviation, ajouter la solution saline mixte (contenant moins de 30% de MgSO4 et moins de 35% de NaCl), le rapport de volume entre les deux \u00e9tant de 2.<span style=\"font-family: \u5b8b\u4f53;\">\ufe30<\/span><span style=\"font-family: Georgia;\">1. Dissoudre et lixivier pendant 4 h \u00e0 45<\/span><span style=\"font-family: \u5b8b\u4f53;\">\uff5e<\/span><span style=\"font-family: Georgia;\">50 \u2103, et la liqueur mixte obtenue est filtr\u00e9e par la presse \u00e0 plateaux et \u00e0 cadres et le filtrat obtenu est pomp\u00e9 dans un pr\u00e9-refroidisseur pour \u00e9liminer le NaCl, puis le liquide clair est refroidi pour cristalliser \u00e0 environ 5 \u2103. Laver, filtrer, s\u00e9cher (temp\u00e9rature inf\u00e9rieure du s\u00e9choir 350 ~ 400 \u2103, temp\u00e9rature sup\u00e9rieure de 100 ~ 150 \u2103), obtenir du sulfate de magn\u00e9sium monohydrat\u00e9. Utiliser ensuite un s\u00e9choir rotatif pour s\u00e9cher \u00e0 400<\/span><span style=\"font-family: \u5b8b\u4f53;\">\uff5e<\/span><span style=\"font-family: Georgia;\">500 \u2103 pour obtenir le produit fini.<\/span><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Le sulfate de magn\u00e9sium peut cristalliser sous la forme de plusieurs hydrates, notamment :<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Anhydre, MgSO4 ; instable dans la nature, s'hydrate pour former de l'epsomite.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Monohydrate, MgSO4-H2O ; kies\u00e9rite, monoclinique.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Monohydrate, MgSO4-H2O ; triclinique.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">MgSO4-1.25H2O ou 4MgSO4-5H2O.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Dihydrate, MgSO4-2H2O ; orthorhombique.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">MgSO4-2.5H2O ou 2MgSO4-5H2O.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Trihydrate, MgSO4-3H2O.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">T\u00e9trahydrate, MgSO4-4H2O ; starkeyite, monoclinique.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Pentahydrate, MgSO4-5H2O ; pentahydrite, triclinique.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Hexahydrate, MgSO4-6H2O ; hexahydrite, monoclinique.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Heptahydrate, MgSO4-7H2O (\"sel d'Epsom\") ; epsomite, orthorhombique.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Enn\u00e9ahydrate, MgSO4-9H2O, monoclinique.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">D\u00e9cahydrate, MgSO4-10H2O.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Non-d\u00e9cahydrat\u00e9, MgSO4-11H2O ; m\u00e9ridienne, triclinique.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">En 2017, l'existence du d\u00e9cahydrate n'a apparemment pas \u00e9t\u00e9 confirm\u00e9e.<\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-indent: 24.0000pt; mso-char-indent-count: 2.0000; text-autospace: ideograph-numeric; mso-pagination: none; line-height: 125%;\"><span style=\"mso-spacerun: 'yes'; font-family: Georgia; mso-fareast-font-family: \u5b8b\u4f53; line-height: 125%; font-size: 12.0000pt; mso-font-kerning: 1.0000pt;\">Tous les hydrates perdent de l'eau \u00e0 la chaleur. Au-dessus de 320 \u00b0C, seule la forme anhydre est stable. Elle se d\u00e9compose sans fondre \u00e0 1124 \u00b0C en oxyde de magn\u00e9sium (MgO) et en trioxyde de soufre (SO3).<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Unlocking the Power of Magnesium Sulfate: From Healing Baths to Thriving Crops, Discover Its Versatility and Impact! Magnesium Sulfate CAS 7487-88-9 Magnesium sulfate or magnesium sulphate is a chemical compound, colourless rhombohedral crystal system. Soluble in water, ethanol, glycerol, insoluble in acetone. It is used in pharmacy and printing and dyeing industry, also can be [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Unlocking the Power of Magnesium Sulfate: From Healing Baths to Thriving Crops, Discover Its Versatility and Impact! - China Chemical Manufacturer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangextracts.com\/fr\/le-pouvoir-du-sulfate-de-magnesium-des-bains-curatifs-aux-cultures-florissantes-decouvrez-sa-polyvalence-et-son-impact\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Unlocking the Power of Magnesium Sulfate: From Healing Baths to Thriving Crops, Discover Its Versatility and Impact! - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Unlocking the Power of Magnesium Sulfate: From Healing Baths to Thriving Crops, Discover Its Versatility and Impact! Magnesium Sulfate CAS 7487-88-9 Magnesium sulfate or magnesium sulphate is a chemical compound, colourless rhombohedral crystal system. Soluble in water, ethanol, glycerol, insoluble in acetone. 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