Magnesium Sulphate
- Details
- parameter
Molecular Formula
MgSO4(H2O)x (in our case, x=0/1/7)
Appearance and Properties
White exiguous acicular or oblique-pillar crystal. Smell-less,tast-bitter.Easily efflorescent at dry air.
Speciific gravity is 1.68.
Freely soluble in water . Soluble in its own water at 67.5oC.Slightly soluble in ethanol and glycerin.
Dcomposing is heatedup.Lossing 4 crystal water at 70-80oC.About at 200oC,lossing all of its crystal water becomes anhydrous compounds.
Uses
Mainly used in fertilizer, tanning, pringting and dyeing, activator, paper-making, plastic, porcelain, pigment matchmaking, dynamite and fire-proof materials making.
Used in pringting and dyeing delaine as the aggravating reagent of calico or silk, and as filling up of wooden-cotton products.
Used as Epsom salts at medicine.
| ITEM | SPECIFICATIONS |
| Appearance | White crystalline substance |
| Purity | ≥99.00% |
| Mg | ≥9.50% |
| S | ≥12.5% |
| Chloride | ≤0.01% |
| iron | ≤0.0015% |
| Heavy metals (Pb) | ≤0.0005% |
| As | ≤0.01ppm |
| Lead | ≤2ppm |
| Mercury | ≤0.0005ppm |
| Cadmium | ≤0.06ppm |
| Chromium | ≤3ppm |
| Cobalt | ≤1ppm |
| Nickel | ≤1ppm |
| Selemium | ≤0.02ppm |
| Insoluble in the water | ≤0.001% |
| PH | 5-7 |
