Potassium di-hydrogen ortho-phosphate AR/ACS 500GM | |||
71270SG500 | 919002830KW | ||
AR/ACS | 9190028 | ||
7778-77-0 | 98944 | ||
KH2PO4 | November 2023 | ||
136.09 | October 2028 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Appearance | Colourless solid | White or colourless solid |
2 | Aqueous solubility | Complies | 33 g in 100 ml at 25°c |
3 | Assay | 99.8% | Min. 99.0% KH2PO4 |
4 | pH of a 5% solution at 25.0°c | 4.3 | 4.1-4.5 |
5 | Insoluble matter | 0.003% | 0.01% Max. |
6 | Loss on drying | 0.08% | 0.2% Max. |
7 | Chloride(Cl) | Less than 0.001% | 0.001% Max. |
8 | Sulphate(SO4) | Less than 0.003% | 0.003% Max. |
9 | Heavy metal(as Pb) | 0.0007% | 0.001% Max. |
10 | Iron(Fe) | 0.0002% | 0.002% Max. |
11 | Sodium(Na) | 0.0034% | 0.005% Max. |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |