 |
| Place of Origin: | Hunan |
| Brand Name: | Kemsky |
| Certification: | ISO 9001 |
| Model Number: | smbs cotton mill auxiliary |
| Minimum Order Quantity: | 1 metric ton |
|---|---|
| Price: | usd 280-320 per metric ton |
| Packaging Details: | 25 kgs bag,1000 kgs big bag |
| Delivery Time: | 5-8 days |
| Payment Terms: | T/T , L/C |
| Supply Ability: | 3000 tons per month |
| Name: | Sodium Metabisulphite Cotton Mill Auxiliary | Other Name: | Sodium Pyrosulphite Cotton Mill Auxiliary |
|---|---|---|---|
| Color: | White Or Light Gray | Situation: | White Crystalline Powder |
| Grade: | Food And Tech Grade,purification Agent | Usage: | Cotton Mill Auxiliary |
| High Light: | sodium metabisulfite preservative,sodium metabisulphite food grade |
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SODIUM METABISULFITE FOOD GRADE
Sodium Metabisulfite Uses
1. Food additive
It is used as a preservative and antioxidant in food and is also known as E223.
It may cause allergic reactions in those who are sensitive to sulfites, including respiratory reactions in asthmatics, anaphylaxis and other allergic reactions in sensitive individuals.
Sodium metabisulfite and potassium metabisulfite are the primary ingredients in Campden tablets, used for wine and beer making.
The acceptable daily intake is up to 0.7 milligrams per kilogram of body weight. Sodium metabisulfite oxidizes in the liver to sulfate which is excreted in the urine.
2. Sanitization and cleaning agent
It is commonly used in homebrewing and winemaking to sanitize equipment. It is used as a cleaning agent for potable water reverse osmosis membranes in desalination systems. It is also used to remove chloramine from drinking water after treatment.
3.Other uses
Nature:
white or light yellow crystalline powder , relative density is 1.4 . Soluble in
water (when20 ° C, 54g/100ml water; when 100 ° C, 81.7g/100ml water),
acidic aqueous solution. Soluble in glycerine, slightly soluble in ethanol.
Moisture easily decomposed, exposed in the air easily oxidized into
sulfate. Exposure to emit sulfur dioxide and acid generated the corresponding
salts. Heated to 150 ° C decomposition.
Specification:
Sodium metabisulfite food grade
| Item | Chinese standard | Company standard | |
| GB1893-2008 | |||
| Main content(Na2S2O5) | ≥96.5 | ≥97.5 | |
| Fe(As content Fe) | ≤0.003 | ≤0.0015 | |
| Clarity | Pass test | Clear | |
| Heavy metal content (Pb) | ≤0.0005 | ≤0.0002 | |
| Arsenic content (As) | ≤0.0001 | ≤0.0001 |
|
Sodium metabisulfite industrial grade |
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|
Item |
Chinese standard | Company standard | |
| HG/T2826-2008 | |||
| Top-grade | First grade | ||
| Main content(Na2S2O5) | ≥96.5 | ≥95.0 | ≥97.0 |
| Fe %( Fe) | ≤0.005 | ≤0.010 | ≤0.002 |
| Water-Insoluble | ≤0.05 | ≤0.05 | ≤0.02 |
| Arsenic(As) content | ≤0.0001 | / | ≤0.0001 |
Contact Person: Ms.xie
Tel: +8613975090964
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