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Our products are as follows, please refer: |
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sodium sulphite |
Features Specifications: Sodium Sulphite
Purity: 99% 98% 97% 96% 93% Sodium Sulfite, Sodium Sulphite
Product name: Sodium Sulfite Anhydrous, Sodium Sulphite Anhydrous
Molecular formula : Na2SO3
Appearance : white crystalline powder
Quality standard: HG/T 29672000
Sepcification:
Index name
Premium grade
Super grade
First grade
Salable product
Industrial grade
Sodium sulfite ( Na2SO3 ) , % ≥
97.0
96.0
93.0
90.0
Fe , ≤
0.003
0.005
0.01
Water insoluble matter , % ≤
0.02
0.03
0.05
Free alkali ( as Na2SO3 ) , % ≤
0.10
0.40
0.60
Na2SO4 , % ≤2.50
NaCl , % ≤0.10
Packing: double-layer plastic woven bag.
Uses : used in medicine, papermaking, tannage, leather, printing, dyeing, bleaching and food .
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