
| Ammonium dichromate AR 500GM | |||
| 20118SG500 | 356460312GV | ||
| AR | 3564603 | ||
| 9/5/7789 | 77806 | ||
| (NH4)2Cr2O7 | July 2022 | ||
| 252.07 | June 2027 | ||
| Sr.No. | Test | Result | Specification |
|---|---|---|---|
| 1 | Description | Orange-red crystals. | Orange-red crystals or crystalline powder. |
| 2 | Solubility | Passes | Very soluble in water. |
| 3 | Assay(iodometric, after drying) | 99.6% | Min. 99.5% |
| 4 | Loss on drying,105°C | 0.4% | 3.0% max |
| 5 | Insoluble matter | 0.002% | 0.003% max |
| 6 | Chloride(Cl) | Less than 0.001% | 0.001% max |
| 7 | Sulphate(SO4) | Less than 0.01% | 0.01% max |
| 8 | Aluminium (Al) | Less than 0.003% | 0.003% max |
| 9 | Calcium(Ca) | Less than 0.0025% | 0.0025% max |
| 10 | Sodium(Na) | Less than 0.01% | 0.01% max |
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |