Sodium Metabisulphite Powder
Product Specifications
DFI-585559
DFI-585559
| Description | |
|---|---|
| Appearance: | White crystalline powder |
| Appearance of solution: | Clear and colourless or pale yellow |
| Country of origin: | Italy |
| E number: | E223 |
| Formula: | Na2S2O5 |
| Molecular weight: | 190.12 |
| Packaging: | 25 kg polyethylene bags |
| Shelf life: | 24 months |
| Storage: | Store the product in a dry and cool place because the wet product easily oxidises to sodium sulphate, while heated over 60°C develops SO2, yielding sodium sulphite |
| Synonyms: | Sodium bisulphite anhydrous, Sodium pyrosulphite, Sodium disulphite |
| Specifications | |
| Antimony (Sb): | <1 mg/kg, ppm |
| Arsenic: | <1 mg/kg, ppm |
| Assay: | >66% |
| Assay: | >98% |
| Bulk Density: | 1.15 to 1.3kg/dm³ |
| Cadmium: | <1 mg/kg, ppm |
| Chromium: | <1 mg/kg, ppm |
| Heavy metals: | <10 mg/kg, ppm |
| Iron (Fe): | < 5 mg/kg, ppm |
| Lead: | <2 mg/kg, ppm |
| Mercury: | <1 mg/kg, ppm |
| Nickel: | <1 mg/kg, ppm |
| pH@20°C: | 4 to 4.6 |
| Selenium: | <1 mg/kg, ppm |
| Sulphate: | <2% |
| Thiosulphate (S2O3): | <0.04% |
Published Date: 2023-06-29 10:51:20
