Complaint
| Test Parameters | Specification |
| Appearance | White Fine Powder |
| Magnesium Oxide | 40-45% |
| Calcium Oxide | 1.0% max. |
| Acid Insoluble Matter | 0.05% max. |
| Iron | 200 ppm max. |
| Water Soluble Matter | 1.0% max. |
| Sulphates | 0.3% max. |
| Chlorides | 0.07% max. |
| Arsenic | 3 ppm max. |
| Lead | 2 ppm max. |
| Mercury | 1 ppm max. |
| Total numbers of colony | 1000cfu/g max. |
| Mold and yeast | 25 cfu/g max. |
| Coliform group | 10 cfu/g max. |
| Bulk Density, g/cm3 | 0.15 - 0.3 |
