di-Sodium tetraborate decahydrate AR/ACS (Borax) 500GM | |||
71700SG500 | 864392819EU | ||
AR/ACS | 8643928 | ||
1303-96-4 | 74931 | ||
Na2B4O7.10H2O | May 2021 | ||
381.37 | April 2026 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Appearance | White solid | White solid |
2 | Aqueous solubility | Passes | 10 g dissolves in 100 ml |
3 | Assay | 102.1% | 99.5-105.0% Na2B4O7.10H2O |
4 | pH of a 0.01 M Solution | 9.16 | 9.15-9.20 at 25.0°C |
5 | Insoluble matter | 0.002% | 0.005% Max. |
6 | Chloride(Cl) | Less than 0.001% | 0.001% Max. |
7 | Phosphate(PO4) | Less than 0.001% | 0.001% Max. |
8 | Sulphate(SO4) | Less than 0.005% | 0.005% Max. |
9 | Calcium (Ca) | Less than 0.005% | 0.005% Max. |
10 | Heavy metal(as Pb) | Less than 0.001% | 0.001% max |
11 | Iron(Fe) | Less than 5 ppm | 5 ppm Max. |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |