
| Sodium sulphate anhydrous AR/ACS 500GM | |||
| 71680SG500 | 965082811FZ | ||
| AR/ACS | 9650828 | ||
| 7757-82-6 | 121195 | ||
| Na2SO4 | June 2026 | ||
| 142.04 | May 2031 | ||
| Sr.No. | Test | Result | Specification | Method Reference |
|---|---|---|---|---|
| 1 | Appearance | White solid | White solid | |
| 2 | Aqueous solubility | Complies | 20 g in 100 ml at 20° C | |
| 3 | Assay | 99.6% | Min. 99.0% Na2SO4 | |
| 4 | pH of a 5% solution at 25.0°c | 6.46 | 5.2 - 9.2 | |
| 5 | Insoluble matter | 0.006% | 0.01% Max. | |
| 6 | Loss on ignition | 0.3% | 0.5% Max. | |
| 7 | Chloride(Cl) | Less than 0.001% | 0.001% Max. | |
| 8 | Nitrogen compounds(N) | Less than 5 ppm | 5 ppm Max. | |
| 9 | Phosphate(PO4) | Less than 0.001% | 0.001% Max. | |
| 10 | Heavy metal(as Pb) | 0.3 ppm | 5 ppm Max. | |
| 11 | Iron(Fe) | 0.0006% | 0.001% Max. | |
| 12 | Calcium(Ca) | 0.005% | 0.01% Max. | |
| 13 | Magnesium(Mg) | 0.002% | 0.005% Max. | |
| 14 | Potassium(K) | 0.004% | 0.01% Max. | |
| 15 | Particle size | 1.3% passes through 60 mesh and 1.1% retain through 30mesh | Not more than 5% pass through 60 mesh and not more than 5% retain through 30mesh |
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |