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Sodium Sulfite Anhydrous


Product Name: Sodium sulfite anhydrous
Category: Inorganic chemical/inorganic salt
CAS NO: 7577-83-7
Molecular Formula: Na2S2O3
H.S code: 283210 0000
Specifications:

Item  

 Best Quality  

First grade quality

Qualifier

Sodium sulfite (dry basis): %

≥ 97.0   

96

93

Fe: %

≤ 0.003

0.005

0.02

Nsol. in water : %

≤ 0.02  

0.03

0.05

Free alkali (Na2SO3) Assay %

≤ 0.1  

0.4

0.8

Sulphate (Na2SO4) Assay %

≤2.5

-

-

Chlorides (NaCl) Assay %

≤ 2.1  

-

-

Molecular Weight: 126.04

Packing: 25kg plastic woven bag, 50kg/500kg/1000kg flexible freight bag, or upon clients' demand.
Appearance: white or yellowish crystal.
Use: Used as deoxidant and bleaching agent for printing & dyeing industry; also used for paper making, electronic and water treatment industries.


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