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Help CenterIndustrial Grade Price SMBS Sodium Metabisulphite 98% in Water Treatment
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industrial Grade Sodium Metabisulphite, 98% Sodium Metabisulphite manufacturing price
Product Information
CAS RN.: | 7681-57-4 |
EINECS: | 231-673-0 |
H.S.CODE: | 2832.1000.00 |
Chemical Analysis
Component | Industrial Grade | Food Grade | Medicine Grade |
Appearance | White or yellowish crystalline powder | ||
Assay(Na2S2O5 ) | 96.5%min | 97%min | 98%min |
water insoluble matter | 0.05%max | 0.03%max | 0.02%max |
Iron content(Fe) | 0.005%max | 0.003%max | 0.002%max |
Arsenic content(As) | 0.0001%max | 0.0001%max | 0.0001%max |
Pb | 0.0005%max | 0.0005%max | 0.0003%max |
Application
Industrial Uses | |
Water Treatment | 1.Eliminating dissolved oxygen in waste water and in pipes; 2.Cleaning water pipes and reverse osmosis membranes in desalinization equipment as it is an antibacterial. 3.Sodium metabisulfite is used in water treatment plants to remove excess chlorine. |
Bleaching Agent | Sodium metabisulfite's functions as a bleaching agent, which is useful in making paper pulp, cotton and wool. |
Food Preservative | |
Antimicrobial | 1.Sodium metabisulfite is commonly used as a food preservative for dried foods, as well as fruit concentrate juices. 2.Sodium metabisulfite acts as an antimicrobial, inhibiting the growth of fungi and bacteria, thereby keeping food fresh and safe. |
In beer and wine manufacturing, sodium metabisulfite is used as both a sterilizer and an antioxidant in the process of brewing beer or fermenting wine. | |
Other Uses | |
Medicinal | Sodium metabisulfite is an antioxidant additive in inject able medicines and is also used as a reducing agent in pharmaceuticals. |
Photographic and film industry | For preparing developer solutions, for acidifying fixing baths (photo grade). |
Landscape Gardening | Sodium metabisulfite used in landscape gardening as a tree stump remover, as it disintegrates the lignin -- chemicals in plant cell walls -- in the tree stumps, making them easier to remove. |
Fiber Industry | In the sulphitisation of tanning extract. |
Gold mining | For bleaching ground wood, as an antichlor. |
Transportation Information
DOT Classification: | Not a DOT controlled material |
U.N. | Not applicable. |
Packing Group: | Not applicable. |
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