Potassium sulphate AR/ACS 500GM | |||
71360SG500 | 917142826IW | ||
AR/ACS | 9171428 | ||
7778-80-5 | 97809 | ||
K2SO4 | September 2023 | ||
174.25 | August 2028 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Appearance | White solid | White or colourless solid |
2 | Aqueous solubility | Complies | 10 g in 100 ml at 20°c |
3 | Assay | 99.7% | Min 99.0% K2SO4 |
4 | pH of a 5% solution at 25.0°c | 5.71 | 5.5-8.5 |
5 | Insoluble matter | 0.005% | 0.01% Max. |
6 | Chloride(Cl) | Less than 0.001% | 0.001% Max. |
7 | Nitrogen compounds(N) | Less than 5 ppm | 5 ppm Max. |
8 | Heavy metal (as Pb) | 4 ppm | 5 ppm Max. |
9 | Iron (Fe) | 4 ppm | 5 ppm Max. |
10 | Calcium(Ca) | 0.0022% | 0.01% Max. |
11 | Magnesium (Mg) | 0.0001% | 0.005% Max. |
12 | Sodium(Na) | 0.0065% | 0.02% Max. |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |