Sodium Metabisulfite
Molecular formula: na2 s2 o5
Nature: 7681-57-4
Customs code: 28321000
Appearance: white or yellowish crystalline powder
Whiteness: 85.2
Food grade certification: iso22000, halal, kosher
Sodium Metabisulfite Products
chemical name: sodium metabisulfite
molecular formula: Na2S2O5
: 7681-57-4
Customs Code: 28321000
appearance: white or yellowish crystalline powder
whiteness: 85.2
Food Grade Certification: Iso22000, Halal, Kosher
|
project |
national standards |
enterprise recurrent value |
|
GB1893-2008 |
||
|
main content (by Na2S2O5),% |
≥ 96.5 |
≥ 97.5 |
|
iron content (based on Fe),% |
≤ 0.003 |
≤ 0.0015 |
|
Clarity Clarity |
through experiments |
clarification |
|
heavy metal content (based on Pb),% |
≤ 0.0005 |
≤ 0.0002 |
|
arsenic content (as content),% |
≤ 0.0001 |
≤ 0.0001 |
Purpose:
1. The pharmaceutical industry is used to produce chloroform, phenylprosulfone and benzaldehyde.
2. Rubber industry is used as coagulant.
3. Printing and dyeing industry is used as dechlorination agent and auxiliary agent for cotton bleaching.
4. Tannery industry is used for leather treatment, which can make leather soft, plump, tough, waterproof, flexural, wear-resistant and other properties.
5. The chemical industry is used to produce hydroxyvanillin, hydroxylamine hydrochloride, etc. The photosensitive industry is used as a developer, etc.
6. The food industry is used as bleaching agent, preservative, loosening agent, antioxidant, color protector and preservative. China's regulations can be used for candied fruit, biscuits, sugar, crystal sugar, maltose, candy, glucose, liquid glucose, bamboo shoots, mushrooms and canned mushrooms, with a maximum use of 0.45 g/kg. Residues of candied fruit, bamboo shoots, mushrooms and canned mushrooms, grapes and blackcurrant concentrate (in S0). 0.5 g/kg; Residues of biscuits, sugar, vermicelli and other varieties are less than 0.1 g/kg; The residual amount of liquid glucose shall not exceed 0.2 g/kg.
packaging:
lining and plastic woven bag for outer packing, each bag has a net weight of 25kg or 50kg. The packaging is printed with the words "Food Additive Sodium metabisulfite" and the "Moisture and Heat Protection" logo.
Storage and protection:
should be stored in a cool, dry warehouse. The package is sealed and should prevent air oxidation. Pay attention to moisture. It should be protected from rain and sun exposure during transportation. It is strictly prohibited to store and mix with acids, oxidants and harmful toxic substances. The storage period should be six months from the date of production. When loading and unloading, handle with care to prevent packaging from cracking. In case of fire, water and various fire extinguishers can be used to put out the fire.
