| Appearance |
A Very Light, white odourless powder slightly alkaline readily absorbs moisture and carbon di oxide when exposed to air |
| Assay (as MgO; on ignited basis) |
98.0 - 100.5% |
| Identification as per IP |
To pass the test |
| Apparent Volume |
15 gms occupies a volume of 150 ml |
| Appearance of solution |
Solution 'A' is not more intensely colour than reference solution BS2 |
| Arsenic (As2O3) |
Max 0.0004% |
| Heavy metals (as Pb) |
Max 0.003% |
| Iron (Fe) |
Max 0.1% |
| Chloride (Cl) |
Max 0.125% |
| Sulphate (SO4) |
Max 1.0% |
| Calcium (Ca) |
Max 1.5% |
| Soluble substance |
Max 2.0% |
| Substance insoluble in acetic acid |
Max 0.1% |
| Loss on ignition |
Max 8.0% |
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