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Preservative SSA Sodium Sulfite Food Grade 97% Reducing Agent For Organic Industry

Preservative SSA Sodium Sulfite Food Grade 97% Reducing Agent For Organic Industry

  • Preservative SSA Sodium Sulfite Food Grade 97% Reducing Agent For Organic Industry
  • Preservative SSA Sodium Sulfite Food Grade 97% Reducing Agent For Organic Industry
  • Preservative SSA Sodium Sulfite Food Grade 97% Reducing Agent For Organic Industry
Preservative SSA Sodium Sulfite Food Grade 97% Reducing Agent For Organic Industry
Product Details:
Place of Origin: Hunan
Brand Name: Kemsky
Certification: ISO 9001,SGS
Model Number: preservative sodium sulfite
Payment & Shipping Terms:
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
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Detailed Product Description
Name: SSA Sodium Sulfite Other Name: Anhydrous Sodium Sulphite
Situation: Crystalline Dry Powder Usage: Preservative
Mocular: Na2SO3 MOQ: 27 Tons Per Container
High Light:

sodium sulfite preservative

,

sodium sulfite oxygen scavenger

 

SODIUM SULFITE ANHYDROUS

 

 

Competitive Price Na2SO3 Sodium sulfite

 

Application

The role of anhydrous sodium sulfite is extensive, it has a very important role in pharmaceutical industry, paper making, leather tanning and dyeing industries and plant fiber bleaching, food, etc. Addition of anhydrous sodium sulfite is also used to film developing, bleaching agents, printing and dyeing industry as deoxygenating agent.

Q: What's the MOQ?

A: Our MOQ is 1 metric ton. The price will be a lillte higher if the quantity is less than 1 metric ton.

Q: What's the delivery time?

A: It will takes about 7 days. But the exact time is according to actual situation.

Q: Can I get free samples?

A: Yes, we will mail samples you requested ASAP.

Q: Which products suit us?

A: We will recommend products to you based on your application or You can place a trial order upon satisfactory test of samples.

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.

 

 

 

Physical and chemical properties:
White crystalline or powder form; triangular prism crystal shape; alkaline water solution with pH at 9 – 9.5; The highest water solubility is about 28% with temperature at 33.4°C. When exposed to air, it is oxidized to form sodium sulfate. When heated to high temperature, it decomposes to form sodium sulfide; Density: 2.633(15.4°C), Refractive Index: 1.565; Molecular Weight: 126.04.

 

Application:
It is used in dyeing industry as deoxidizer and bleaching agent for a variety of cotton fabric treating and scouring, which can prevent fabrics from local oxidation and deterioration of fibre strength. In photographic industry it is used as a reagent. In organic industry it is used as reducing agent in production of m-phenylenediamine, 25 - bared oxazolone, amino salicylic acid, etc. Textile industry uses it as a stabilizer for synthetic fibre. Other applications include various uses in paper mills, electronic industry, water treatment, etc.

 

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
 


Preservative SSA Sodium Sulfite Food Grade 97% Reducing Agent For Organic Industry 0

 

Contact Details
KEYUAN HOLDING GROUP CO.,LTD

Contact Person: Mrs. Kim Xie

Fax: Ningbo Keyuan Holdings Group

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