| 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%) |
