Ammonium di-hydrogen ortho-phosphate AR/ACS 500GM | |||
70120SG500 | 889322816GV | ||
AR/ACS | 8893228 | ||
7722-76-1 | 85346 | ||
NH4H2PO4 | July 2022 | ||
115.03 | June 2027 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Appearance | Colorless solid | Colorless solid |
2 | Aqueous solubility | Passes | 1 g in 2.5mL at 25°C |
3 | Assay | 99.6% | Min. 98.0% |
4 | pH(5% aq soln), at 25°C | 4.36 | 3.8 - 4.4 |
5 | Insoluble matter | 0.002% | 0.005% Max. |
6 | Chloride(Cl) | Less than 5ppm | 5ppm Max. |
7 | Nitrate(NO3) | Less than 0.001% | 0.001% Max. |
8 | Sulphate(SO4) | Less than 0.01% | 0.01% Max. |
9 | Heavy metals (as Pb) | Less than 5ppm | 5ppm Max. |
10 | Iron(Fe) | Less than 0.001% | 0.001% max. |
11 | Calcium (Ca) | 0.0002% | 0.001% Max. |
12 | Magnesium (Mg) | 0.0001% | 0.0005% Max. |
13 | Potassium (K) | Not detected | 0.005% Max. |
14 | Sodium (Na) | 0.0038% | 0.005% Max. |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |