
| di-Ammonium hydrogen ortho-phosphate AR/ACS 500GM | |||
| 70140SG500 | 958502806AZ | ||
| AR/ACS | 9585028 | ||
| 7783-28-0 | 117627 | ||
| (NH4)2 HPO4 | January 2026 | ||
| 132.06 | December 2030 | ||
| Sr.No. | Test | Result | Specification | Method Reference |
|---|---|---|---|---|
| 1 | Appearance | White solid | Colorless or white solid | |
| 2 | Aqueous solubility | Complies | 10 g in 100mL at about 25°C | |
| 3 | Assay | 98.7% | Min 98.0% | |
| 4 | pH(5% aq soln), at 25°C | 8.03 | 7.7 - 8.1 | |
| 5 | Insoluble matter | 0.002% | 0.005% Max. | |
| 6 | Chloride(Cl) | Less than 0.001% | 0.001% Max. | |
| 7 | Nitrate(NO3) | Less than 0.003% | 0.003% Max. | |
| 8 | Sulphate(SO4) | Less than 0.01% | 0.01% Max. | |
| 9 | Heavy metals (as Pb) | Less than 0.001% | 0.001% Max. | |
| 10 | Iron(Fe) | Less than 0.001% | 0.001% Max. | |
| 11 | Calcium (Ca) | Less than 0.001% | 0.001% Max. | |
| 12 | Magnesium (Mg) | Less than 0.0005% | 0.0005% Max. | |
| 13 | Potassium(K) | Less than 0.005% | 0.005% Max. | |
| 14 | Sodium(Na) | Less than 0.005% | 0.005% Max. | |
| 15 | Identification A | Complies | Shall comply with the test for ammonium. | |
| 16 | Identification B | Complies | Shall comply with the test for phosphate. |
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |