Магния сульфат гептагидрата

Characteristics: 1. white exiguous acicular or ablique-pillar crystal, smell-less , taste bitter, easily efforescent at dry air. 2. Freely soluble in water, solubein its own water at 67.5, slightly soluble in ethanol and glycerin. 3. Specific gravity is 1.68 4. Decomposing is hateup, lossing 4 crystal water at 67.5. About 200, losing all of its crystal water becomes anhydrous. Usage: 1. Mainly used in fertilizer, tanning, printing and dyeing, activator, papermaking,plastic,porcelain, pigment, match making. 2. Can used in printing and dyeing as delaine as the aggravating reagent of calico or silk , and al filling up of wooden cotton products, 3. Be used Epsom salts at Medicine Appearence Whtie crystal cinlinder Main content 99.5% min PH 5-8 Fe 0.0015 max Heavy metal (Pb) 0.0001 max Cl 0.01% max As 0.0001% max Insoluble matter 0.001% max Size (mm) 0.1-1 0.2-3 1-4 MgO 16 % min Mg 9.8 % min Loss on ignition 48.0-52.0