Hydrofluoric acid 40% extrapure 5LT | |||
10773LC500 | 311640204BT | ||
Extrapure | 3116402 | ||
7664-39-3 | 62400 | ||
HF | February 2020 | ||
20.01 | January 2025 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | Clear colourless liquid with a acid vapour. | Clear colourless liquid with a acid vapour. |
2 | Solubility | Passes | 10% solution in water should be clear. |
3 | Assay (acidimetric) | 40.70% | 39 - 43% |
4 | Wt. per ml,20°C | 1.13 g | 1.13 g appr. |
5 | Residue on evaporation | 0.02% | 0.04% max |
6 | Fluorosilicate(SiF6) | 0.06% | 1.0% max |
7 | Sulphate(SO4) | Less than 0.04% | 0.04% max |
8 | Iron(Fe) | Less than 0.003% | 0.003% max |
9 | Lead(Pb) | Less than 0.003% | 0.003% max |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |