di-Potassium hydrogen ortho-phosphate AR/ACS 500GM | |||
71280SG500 | 923402804DX | ||
AR/ACS | 9234028 | ||
7758-11-4 | 100901 | ||
K2HPO4 | April 2024 | ||
174.18 | March 2029 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | White hygroscopic crystalline powder. | White hygroscopic crystals/ crystalline powder. |
2 | Solubility | Complies | Very soluble in water,slightly in alcool. |
3 | Assay (acidimetric) | 99.70% | Min. 99.00% |
4 | pH (5% aq soln) | 8.9 | 8.5 - 9.6 |
5 | Insoluble matter | 0.003% | 0.01% max |
6 | Loss on drying,105°C | 0.3% | 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) | 0.0003% | 0.001% max |
11 | Heavy metal(as Pb) | Not detected | 5ppm max |
12 | Arsenic (As) | Less than 0.0001% | 0.0001% max |
13 | Sodium(Na) | 0.01% | 0.05% max |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |