Sodium sulphate anhydrous AR/ACS 500GM | |||
71680SG500 | 925972821CX | ||
AR/ACS | 9259728 | ||
7757-82-6 | 102026 | ||
Na2SO4 | March 2024 | ||
142.04 | February 2029 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Appearance | White solid | White solid |
2 | Aqueous solubility | Complies | 20 g in 100 ml at 20° C |
3 | Assay | 99.8% | Min. 99.0% Na2SO4 |
4 | pH of a 5% solution at 25.0°c | 6.4 | 5.2 - 9.2 |
5 | Insoluble matter | 0.002% | 0.01% Max. |
6 | Loss on ignition | 0.2% | 0.5% Max. |
7 | Chloride(Cl) | Less than 0.001% | 0.001% Max. |
8 | Nitrogen compounds(N) | Less than 5 ppm | 5 ppm Max. |
9 | Phosphate(PO4) | Less than 0.001% | 0.001% Max. |
10 | Heavy metal(as Pb) | Not detected | 5 ppm Max. |
11 | Iron(Fe) | 0.0002% | 0.001% Max. |
12 | Calcium(Ca) | 0.0007% | 0.01% Max. |
13 | Magnesium(Mg) | Not detected | 0.005% Max. |
14 | Potassium(K) | 0.0012% | 0.01% Max. |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |