Product name: Sodium Metabisulfite
CAS NO.: 7681-57-4
Formula: Na2S2O5
N.W.: 190.12
Specifications: FCCIV
|
Item |
Quality Index | |
|
Food Grade |
Industry Grade | |
|
Purity ( As Na2S2O5) |
98.0% min |
96.0% min |
|
Sulfur Dioxide( SO2) |
65.0% min |
65.0% min |
|
Arsenic ( As ) |
0.0002% max |
- |
|
Heavy metals ( As Pb ) |
0.0005% max |
- |
|
Selenium (Se ) |
0.0005% max |
- |
|
Iron (Fe) |
0.001% max |
0.002% max |
|
Water insoluble |
0.02% max |
0.05% max |
|
PH value : |
4.0-4.8 |
4.0-4.8 |
Packing:
Usage:
(1) Food Grade: 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) Industry Grade: 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
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