Specifications
Sodium Metabisulfite
Appearance white powder
Purity 99%
Packing 25kg/bag
Specifications
Real Quantity of per month -----6000tons
Conformed with FCC V and E 223 Standard
PH value: 4.0-4.8
Sodium metabisulfite chemical formula
Sodium metabisulfite chemical formula 1. ISO9001, COA, TEST REPORT 2. Prompt delivery 3. Factory produce 4. Annual output: 100 000tons 5. The payment L/C OR t/t
Industry Grade
Purity ( As Na2S2O5) 97.0% min
Sulfur Diox ide( SO2) 65.0% min
Arsen ic ( As ) -
Heavy metals ( As Pb ) -
Selen ium (Se ) -
Iron (Fe) 0.002% max
Water insoluble 0.05% max
PH value: 4.0-4.8
Remark: Conformed with FCC V and E 223 Standard
Application:
(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
The hide profession employ to do to molt dose and pliable dose and wearproof dose; Sewage treatment, and so on. "
(3) Pharmaceutical Grade: In chemical synthesis in the production of acrylic fibre, vitamin K, vitamin A, pharmaceutical intermediates, etc.
(4) Photo Grade: The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose.
ITEM |
STANDARD |
RESULTS |
Appearance |
White or light yellow powder |
Conform s |
Content ≥% |
96.5 |
99 |
Heavy Metals (Fe)≤ % |
0.003 |
0.0005 |
Heavy Metals( As)< % |
0.0001 |
0.00001 |
Charity |
Slightly turbid |
Conform s |
SO 2 ≥ |
65 |
66 |
PH |
4.0-5.0 |
4.5 |
Heavy Metals( Pb)≤ % |
0.0005 |
0.0002 |