
| di-Potassium hydrogen ortho-phosphate AR/ACS 500GM | |||
| 71280SG500 | 965902817GZ | ||
| AR/ACS | 9659028 | ||
| 7758-11-4 | 122048 | ||
| K2HPO4 | July 2026 | ||
| 174.18 | June 2031 | ||
| Sr.No. | Test | Result | Specification | Method Reference |
|---|---|---|---|---|
| 1 | Description | White hygroscopic crystalline powder. | White hygroscopic crystals/ crystalline powder. | |
| 2 | Solubility | Complies | Very soluble in water,slightly in alcool. | |
| 3 | Assay (acidimetric) | 99.45% | Min. 99.00% | |
| 4 | pH (5% aq soln) | 8.97 | 8.5 - 9.6 | |
| 5 | Insoluble matter | 0.006% | 0.01% max | |
| 6 | Loss on drying,105°C | 0.64% | 1.00% max | |
| 7 | Chloride(Cl) | Less than 0.003% | 0.003% max | |
| 8 | Sulphate(SO4) | Less than 0.005% | 0.005% max | |
| 9 | Total nitrogen(N) | Less than 0.001% | 0.001% max | |
| 10 | Iron(Fe) | Not detected | 0.001% max | |
| 11 | Heavy metal(as Pb) | 0.27 ppm | 5ppm max | |
| 12 | Arsenic (As) | Not detected | 0.0001% max | |
| 13 | Sodium(Na) | 0.015% | 0.05% max |
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |