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| Product : Zinc Sulphate Hepta Hydrate I.P | |
| Batch No. : | Batch Size : |
| Mfg. Date : | Received Date : |
| Exp. Date : | Reporting Date : |
| Sample Quality : 2 x 30 gms | Packing Date : 25 Kgs |
Analysis applied as per I.P. Specifications
| Test Performed | Limit | Results |
| Description | Colourless, transparent crystals or white crystalline powder, odourless, efforescent |
|
| Solubility | Very Soluble in water, practically insoluble in ethanol (95%) | |
| Identification | 5% w/v solution gives the reaction of zinc salt and sulphates |
|
| PH | 5% w/v solution gives a PH between 4.4 to 5.6 | |
| Clarity and colour of the solution | 5% w/v solution is clear and colourless | |
| Arsenic | Max 10 ppm | |
| Aluminium, copper, magnesium, Manganese and Nickel | Complies with I.P. | |
| Alkalis and Alkaline earths | Complies with I.P. | |
| Chloride | Not more than 250 ppm | |
| Iron | Max 100 ppm | |
| Assay (ZnSO4, 7H2O) | NLT 99% and NMT 104 5 |
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