| PRODUCT NAME | ZINC SULPHATE MONOHYDRATE – USP | |
| Chemical formula | ZNSO4.H2O | |
| Molecular weight | 179.46 | |
| Standard pack size | 25 KG. PAPER BAG / 50 KG. HDPE BAG . | |
| Retest period | 5 Years from the date of manufacture | |
| Application |
| Sr. No. | TEST | SPECIFICATION | REFERENCE |
| 1. | Description | white powder, odourless | USP |
| 2. | Identification | Gives reacn. of Zinc salts & reacn. of Sulphate | USP |
| 3. | Acidity | A Solution containing the equivalent of 28 mg of ZnSO4 per ml is not coloured pink by Methyl Orange TS. | USP |
| 4. | Arsenic | Not more than 14 ppm | USP |
| 5. | pH | Between 4. to to 5.6 | USP |
| 6. | Lead | Not More than 0.002 % | USP |
| 7. | Alkalies & Alkaline earths | Not more than 0.9 % | USP |
| 8. | Assay (on dry basics) | Not less than 89.0% & Not more than 90.40 % of ZnSO4. |