Specifications
| CAS No | 7447-40-7 |
| Hs Code | 28352400 |
| Description | White Crystalline Powder, Odorless |
| Solubility | Freely Soluble In Water |
| Identification | Positive to Potassium & Chloride |
| Acidity & Alkalinity | Not more than 0.5 ml of 0.01M NaOH or |
| 0.01M HCl to change the color | |
| Clarity and Color Of The Solution | 5% W/V Solution Is Clear and Colorless |
| Arsenic | NMT 1 ppm. |
| Barium | Solution remains clear |
| Bromide | Max 0.1% |
| Sulphate | Less than 300 ppm |
| Iodide | NMT 0.005% |
| Aluminum | NMT 1 µg per gm. |
| Sodium | Max 0.1% |
| Loss on drying | 1.0 % max at 105oC for 2 Hrs |
| Assay (ZnSO4.7H2O) | NLT 99.0 % & NMT 100.5 % |
