
| Zinc oxide AR 500GM | |||
| 21990SG500 | 951210326KY | ||
| AR | 9512103 | ||
| 1314-13-2 | 113843 | ||
| ZnO | November 2025 | ||
| 81.38 | October 2030 | ||
| Sr.No. | Test | Result | Specification | Method Reference |
|---|---|---|---|---|
| 1 | Description | White amorphous powder. | White amorphous powder. | |
| 2 | Solubility | Complies | Insoluble in water & alcohol. | |
| 3 | Assay(after ignition) | 99.81% | min.99.5% | |
| 4 | Loss on ignition,600°C | 0.3% | 0.5% max. | |
| 5 | Acid insoluble matter | 0.004% | 0.01% max. | |
| 6 | Chloride(Cl) | Less than 0.002% | 0.002% max. | |
| 7 | Sulphur compounds(as SO4) | Less than 0.01% | 0.01% max. | |
| 8 | Iron(Fe) | Less than 0.0003% | 0.0003% max. | |
| 9 | Heavy metal(as Pb) | Less than 0.02% | 0.02% max. | |
| 10 | Arsenic (As) | Less than 0.0001% | 0.0001% max. | |
| 11 | Reducing substances(O) | Less than 0.002% | 0.002% max. | |
| 12 | Manganese(Mn) | Less than 0.001% | 0.001% max. | |
| 13 | Carbonate(as CO3) | Less than 0.25% | 0.25% max. |
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |