Sodium metabisulphite Food grade FinSQ 25KG | |||
25630SK025 | 426815702AX | ||
Food Grade | 4268157 | ||
7681-57-4 | 100360 | ||
Na2S2O5 | January 2024 | ||
190.1 | December 2026 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | White crystalline powder having an odour of sulfur dioxide. | White crystals or crystalline powder having an odour of sulfur dioxide. |
2 | Solubility | Complies | Freely soluble in water; slightly soluble in ethanol. |
3 | Test for sodium | Complies | Passes test |
4 | Test for sulfite | Complies | Passes test |
5 | Water insolubles | Complies | The solution should be clear with only a trace of suspended matter. |
6 | pH | 4.12 | 4.0 - 4.5 (1 in 10 soln) |
7 | Thiosulphate(S2O3) | Less than 0.1% | NMT 0.1% |
8 | Iron(Fe) | 1.24 mg/kg | NMT 10 mg/kg |
9 | Lead(Pb) | 0.27 mg/kg | NMT 2 mg/kg |
10 | Selenium (Se) | Not detected | NMT 5 mg/kg |
11 | Assay | 97.0% | NLT 90.0% |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |