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 % |