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| Place of Origin: | Hunan |
| Brand Name: | Kemsky |
| Certification: | ISO 9001 |
| Model Number: | sodium sulfite |
| Minimum Order Quantity: | 1 metric ton |
|---|---|
| Price: | usd 430 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: | Food Antioxidant Sodium Sulfite SSA | Other Name: | Food Antioxidant Anhydrous Sodium Sulphite |
|---|---|---|---|
| Situation: | Dry Powder Crystalline | Grade: | Food Additive |
| Usage: | Antioxidant For Food | Na2SO3: | 97% |
| High Light: | sodium sulfite anhydrous,sodium sulfite preservative |
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SODIUM SULFITE ANHYDROUS
Item Quality Index
Industry Grade Food Grade
Purity ( As Na2SO3) 96.0% min 98.0% min
Sodium sulphate ( SO4) 2.0% max 1.0% max
Chlorides ( As NaCL) 0.5% max 0.1% max
Arsenic ( As ) - 0.0002% max
Heavy metals ( As Pb ) - 0.0005% max
Iron (Fe) 0.005% max 0.002% max
Water insolubles 0.05% max 0.02
| 1.Grade | Food grade |
| 2.Purity | 97% |
| 3.Molecular formula | Na2SO3 |
| 5. CAS No | 7757-83-7 |
| 6. HS CODE | 28321000 |
| 7. EINECS No | 231-821-4 |
Usage:
The role of anhydrous sodium sulfite is extensive, it is in the pharmaceutical industry, paper making, leather tanning and dyeing industries and plant fiber bleaching, food, etc have a very important role. Addition of anhydrous sodium sulfite is also used to film developing, bleaching agents, printing and dyeing industry as a deoxygenation agent.
Nature:
White crystal or powder; no foul. Soluble in water, very slightly soluble in ethanol, almost insoluble in ether. White hexagonal prismatic crystals, soluble in water (0 ℃ 12.54g/100ml water; 80 ℃ when the 283g/100ml water), in 33.4 ℃ The maximum solubility of about 28% when the aqueous solution is alkaline, PH value is about 9 ~ 9.5 . Slightly soluble in alcohol, insoluble in liquid chlorine, ammonia. Easily oxidized in air sodium, when the temperature is decomposed into sodium sulfide. To strengthen the reducing agent, reacts with sulfur dioxide, sodium bisulfite, reacted with the acid salt.
Specification:
| Anhydyous sodium sulphite | ||||||
| English name | Anhydyous sodium sulphite | |||||
| Molecular formula | Na2SO3 | |||||
| Technical specifications | High purity grade | Refined grade | Photographic grade | Industrial grade | Industrial grade | Industrial grade |
| Sodium sulfite | Sodium sulfite | Sodium sulfite | High-class product | High-class product | First grade product | |
| Na2SO3 ≥ % | 98 | 98 | 97 | 98 | 97 | 96 |
| Fe ≤ % | 0.0005 | 0.002 | 0.005 | 0.003 | 0.003 | 0.005 |
| Water insoluble ≤ % | 0.005 | 0.01 | 0.05 | 0.02 | 0.02 | 0.03 |
| Free alkali ≤ % | 0.1 | 0.3 | 0.15 | 0.1 | 0.1 | 0.4 |
| Sodium sulfate ≤ % | 1.5 | 1.5 | — | 1.5 | 2.5 | — |
| Sodium chloride ≤ % | 0.005 | 0.02 | — | 0.01 | 0.1 | — |
| Heavy metal on Pb≤ % | 0.001 | 0.002 | 0.002 | — | — | — |
| As ≤ % | 0.0001 | 0.0005 | — | — | — | — |
| Sodium thiosulfate ≤% | 0.01 | 0.02 | 0.03 | — | — | — |
| Aqueous solution appearance | Qualified | Qualified | Qualified | — | — | — |
| Reaction of silver nitrate ammonia solution | — | — | Qualified | — | — | — |
Packing : External packing is PP woven bag, Internal packing is PE bag,25 kgs, 50 kgs, 1000 kgs, and 1250 kgs bag packing.
Storage & defence: Stored in cool and dry place, avoid moisture and heat. No breakage, No mixed with oxidant and toxic matter. The storage period is 6 month since the production date. It should be transported by clean car, with covering matter, avoid rain.
Contact Person: Mrs. Kim Xie
Fax: Ningbo Keyuan Holdings Group
name: sodium sulfite deoxygenation agent
other name: anhydrous sodium sulphitedeoxygenation agent
shelf life: 2 years
usage: deoxygenation agent,bleaching agent
name: food grade fruit antimicrobic sodium sulfite
other name: food grade fruit antimicrobic anhydrous sodium sulphite
grade: food grade, food additive
usage: antimicrobic for fruit,seafood
name: antimicrobic for fruit sodium sulfite
other name: antimicrobic for fruit anhydrous sodium sulphite
shelf life: 24 months
usage: antimicrobic for food ,vegetable, fruit
name: fruit antimicrobic sodium sulfite
other name: fruit antimicrobic anhydrous sodium sulphite
color: white
grade: food and tech grade
name: deoxygenation agent sodium sulfite
other name: deoxygenation agent anhydrous sodium sulphite
situation: dry powder
usage: deoxygenation agent,stabilizer of viscose acetal fibre
name: sodium sulfite fruit antimicrobic
other name: anhydrous sodium sulphite fruit antimicrobic
shelf life: 24 months
grade: tech grade and food grade
name: sodium sulfite deoxygenation
other name: anhydrous sodium sulphitedeoxygenation
shelf life: 2 years
usage: deoxygenation ,bleaching agent,reducing agent of spice, dye and so on
industrial grade 43.5% Mn mangaense carbonate dry powder EINECS:209-942-9 MnCO3
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Industrial Manganous Carbonate powder for pigment, MnCO3 cas no: 598 62 9 fr china
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