Sodium Metabisulphite
- Product Details
- Technical Specification
- Product Application
Other chemical names: Sodium Metabisulphite, Sodium pyrosulphite, Sodium disulphite; Disodium pentaoxodisulphate, SMBS
Properties: White crystals or crystalline powder
Packing:In 25KG bags lined with PE bags.
Storage and Transportation: suitable for any transportation conditions, sealed and stored in ventilated, dry and shady warehouse, can’t be mixed with the poisonous.
Technical Specification
| Inspection Items | Standard |
| Appearance | White powder |
| Purity(as Na2S2O5) | 96.5%min |
| PH | 4.0-5.5 |
| Iron(based on SO2) | 10ppm max |
| Lead | 2ppm max |
| Heavy Metals(Pb) | 5ppm max |
| Arsenic(as As) | 1ppm max |
Product Application
♥ Food industry is used as bleaching agent, preservative, bulking agent, antioxidant, color protectant and preservative.
♥ Sodium metabisulfite has stronger reducing properties than sulfate, and its effect is similar to sodium sulfite.
♥ Used as chromatographic analysis reagent, preservative and reducing agent, used in dye and pharmaceutical industry.
