Description
Magnesium Trisilikat | |
---|---|
BP | |
A white powder or Nearly white powder Slightly Hygroscopic | |
Identification | Solution in dil Nitric acid. Gives reaction of magnesium salt & silicates |
Solubility | Practically insoluble in water and in ethanol |
Alkalinity | max. 1 ml. of 0.1 M HCl |
Arsenic | max. 4 ppm |
Heavy Metals | max. 40 ppm |
Chloride | max. 500 ppm |
Sulphate | max. 0.5% |
Water Soluble Salts | max. 1.5% |
Acid Absorption | 124.00 ml (min. 100.00 ml of 0.1 M HCl) |
Loss of Ignition | 24.10% (17.0% to 34.0%) |
ASSAY | |
For Magnesium Oxide | 30.60% (min. 29.0%) |
For Silicon Dioxide | 66.70% (min 65.0%) |