- Food Additives[2]
- Pharmaceutical[2]
- Organic Acid[6]
- Inorganic Acids[2]
- Chloride[7]
- Water Treatment[2]
- Salt[1]
- Other Chemicals[1]
- Chlorate[2]
- Compound Fertilizer[10]
- Other Inorganic Chemicals[10]
- Oxide[8]
- Sulphate[10]
- Carbonate[10]
- Nitrate[3]
- Sulfide[10]
- Alkali[8]
- Contact Person : Mr. Xie John
- Company Name : Guangzhou Everest Chemicals Limited
- Tel : 0086-20-82808719
- Fax : 0086-20-82808729
- Address : Guangdong,Guangzhou,No 20, 18th Street, Feng Cui Garden, Phoenix City,Guangyuan Dong Road
- Country/Region : China
- Zip : 511340
Na2S2O5
Na2S2O5,Sodium metabisulfite,
1==Sodium Metabisulphite For Food Use
Molecular Formula:Na2S2O5
Molecule Weight:190.10Appearance:White or light yellow crystalline powderQuality standard: GB1893-86 CAS 7681-57-4
Test Item | Standard Request. |
|
|
Appearance | White or light yellow crystalline powder |
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|
Content(Na2S2O5%) | ≥95% |
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|
SO2% | ≥65% |
|
|
Fe% | ≤0.005% |
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|
Insoluble substance in water% | ≤0.05% |
| |
Heavy metal (Pb)% | ≤0.002% |
|
|
As% | ≤0.0002% |
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|
PH | 4.0-4.6 |
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Main uses: 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)
Packaging:in polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc.
Netweight:25,50,1000kilograms per bag or following your demand.
2==Sodium Metabisulphite For Industrial Use
Molecular Formula:Na2S2O5 Molecule Weight:190.10Appearance:white or light yellow crystalline powder. Quality standard:HG/T28261997 CAS 7681-57-4
Test Item | Standard Request. |
|
|
Appearance | White or light yellow crystalline powder |
|
|
Content(Na2S2O5%) | ≥95% |
|
|
SO2% | 65% |
|
|
Fe% | ≤0.005% |
|
|
Insoluble substance in water% | ≤0.05% |
|
|
Heavy metal (Pb)% | ≤0.002% |
|
|
As% | ≤0.0002% |
|
|
PH | 4.0-4.6 |
|
|
Main uses:
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 stapk;
Treatment agent of waste water;
Rubber solidifying agent Perfume industry is served as hydrocarbon perfume aldehyde;
The hide profession employ to do to molt dose and pliable dose and wearproof dose ;
The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose and so on;
sewage treatment. etc
Packing: in polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc.
Net weight: 25,50,1000 kilograms per bag or following your demand.
Loading : 20-24mt/20'fcl
Na2S2O5
