- Dried Vegetables[4]
- Chloride[4]
- Carbonate[4]
- Nitrate[4]
- Sulphate[3]
- Oxide[1]
- Halide ( Except Chloride )[2]
- Chlorate[5]
- Alkali[2]
- Other Inorganic Salts[1]
- Chemical Auxiliary Agent[1]
- Organic Acid[1]
- Contact Person : Mr. Geng Ibin
- Company Name : Tianjin Ruifengtiantai International Trade Co., Ltd.
- Tel : 0086-22-26122025
- Address : Tianjin,Tianjin,Sanhe garden, Quanfang Road, Hebei Dist
- Country/Region : China
sodium metabisulfite
sodium metabisulfite
industrial grade & foodstuff grade.
White or light yellow crystal
Name: | sodium metabisulfite |
Appearance: | White Free Flowing Fine Crystal or Powder |
Specification: | Industrial grade 1) Purity (calculated with Na2S2O5): 95% 2) Iron (Fe): 0.005% 3) SO2: 65% 4) PH value: 4.0-4.6 5)Water insoluble matter: 0.05% |
Foodstuff grade 1) Purity (calculated with Na2S2O5): 95% 2) Iron (Fe): 0.0005% 3) Arsenic (As): 0.0002% 4) pH value: 4.0-4.6 5) Water insoluble matter: 0.05% 6) Heavy metal (Cal. in Pb): 0.002% | |
Package: | 25kg, 50kg pp woven bag with plastic lining, or 1000kg per package |
Usage: | 1.Dye printing mordant. 2.Textile antichlor after being bleached. 3.Reducing agent and sulfonating agent for chemical and medical use. 4.Bamboo, wood, paper fiber bleaching agent, non-ferrous metal ore dressing agent, waste water treating , rubber freezing agent. |
sodium metabisulfite