Ammonium sulphate AR/ACS 500GM | |||
70190SG500 | 909652819EW | ||
AR/ACS | 9096528 | ||
7783-20-2 | 94644 | ||
(NH4)2SO4 | May 2023 | ||
132.14 | April 2028 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Appearance | Colorless solid | Colorless powder or solid |
2 | Aqueous solubility | Complies | 75 g in 100mL at 20°C |
3 | Assay | 99.8% | Min 99.0% |
4 | pH(5% aq soln), at 25°C | 5.29 | 5.0 - 6.0 |
5 | Insoluble matter | 0.002% | 0.005% Max. |
6 | Residue after ignition | 0.003% | 0.005% Max. |
7 | Chloride(Cl) | Less than 5 ppm | 5 ppm Max. |
8 | Nitrate(NO3) | Less than 0.001% | 0.001% Max. |
9 | Phosphate(PO4) | Less than 5 ppm | 5 ppm Max. |
10 | Heavy metals (as Pb) | Not detected | 5ppm Max. |
11 | Iron(Fe) | 3 ppm | 5 ppm Max. |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |