di-Sodium hydrogen ortho-phosphate anhydrous AR/ACS 500GM | |||
71610SG500 | 917482821JW | ||
AR/ACS | 9174828 | ||
7558-79-4 | 97956 | ||
Na2HPO4 | October 2023 | ||
141.96 | September 2028 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Appearance | White solid | Colorless or white solid |
2 | Aqueous solubility | Complies | Soluble in 8 parts of water, more soluble in hot water |
3 | Assay | 99.4% | Min 99.0% |
4 | pH(5% aq soln), at 25°C | 8.97 | 8.7 - 9.3 |
5 | Insoluble matter | 0.005% | 0.01% Max. |
6 | Loss on drying,105°C | 0.1% | 0.2% Max. |
7 | Chloride (Cl) | Less than 0.002% | 0.002% Max. |
8 | Sulphate (SO4) | Less than 0.005% | 0.005% Max. |
9 | Heavy metals (as Pb) | 0.0001% | 0.001% Max. |
10 | Iron (Fe) | 0.0004% | 0.002% Max. |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |