| Customization: | Available |
|---|---|
| CAS No.: | 7681-57-4 |
| Formula: | Na2s2o5 |
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SODIUM METABISULFITE 97%
(1) Bleach agent (e.g. candies, cake, bamboo shoots, etc); Loose agent (e.g. bread, cracker etc); Antiseptic and germicide (e.g. fruit juice, tinned food, brews, the cereals food is defended storage etc); Inhibitor and freshen agent (e.g. day lily, seafood, fruit and vegetable etc).
(2) Mordant of printing and dyeing; Dechlorinate of textile after bleaching; Sulphonated agent and reducer of chemical industry and pharmacy; Bleach of paper pulp, bamboo and timber bleach of Stap; Treatment agent of waste water; Rubber solidifying agent Perfume industry is served as hydro carbon perfume aldehyde
The hide profession employ to do to molt dose and pliable dose and wearproof dose; sewage treatment, and so on .
(3) In chemical synthesis in the production of acrylic fibre, vitamin K, vitamin A, pharmaceutical intermediates, etc.
(4) The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose.
| ITEM | SPECIFICATION | TEST RESULT |
| Na2S2O5 content : | 96.0%min | 97.1% |
| Heavy metals (as Pb) : | 0.001%max | 0.0003% |
| Iron (Fe) : | 0.005%max | 0.0032 |
| Water insoluble : | 0.05%max | 0.01% |
| Sodium Chloride (NaCl): | 0.05% max | 0.05% |
| Arsenic (As) : | 0.0002%max | 0.0001% |
| PH Value : | 4.2 -4.8 | 4.5 |
| PRODUCT NAME: | SODIUM METABISULPHITE | Food grade |
| PACKAGE : | 25KG/1250 KG BAGS WITH PALLETS | |
| ITEMS | STANDARD | RESULT |
Na2S2O5 |
97% MIN | 97.50% |
| SO2 | 65%MIN | 65.68% |
| Iron (Fe) | 0.003%MAX | 0.0018% |
| Heavy Metals as Pb | 0.0005% MAX | 0.0004% |
| Chloride(CL) | 0.01%MAX | 0.008% |
| Arsenic | 0.0001% MAX | 0.00006% |
| Water Insoluble | 0.05%MAX | 0.03% |
| PH value | 4-4.6 | 4.5 |
Package: 25kg, 50kg, 1000kg, 1250kg, 1350kg
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