Aluminium potassium sulphate dodecahydrate AR 500GM | |||
20065SG500 | 371110307CV | ||
AR | 3711103 | ||
7784-24-9 | 82924 | ||
Al K(SO4)2.12H2O | March 2022 | ||
474.38 | February 2027 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | Colourless crystalline powder | Colourless crystalline powder |
2 | Solubility | Passes | Soluble in water. Insoluble in alcohol. |
3 | Assay(complexometric) | 99.86% | min.99.50% |
4 | pH(5% aq soln) | 3.7 | 3 appx. |
5 | Insoluble matter | 0.001% | 0.005% max. |
6 | Chloride(Cl) | Less than 0.001% | 0.001% max. |
7 | Ammonium(NH4) | Less than 0.025% | 0.025% max. |
8 | Iron(Fe) | Less than 0.0005% | 0.0005% max. |
9 | Lead(Pb) | Less than 0.0005% | 0.0005% max. |
10 | Sodium(Na) | Less than 0.01% | 0.01% max. |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |