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sodium sulphite
Product Detailed
Related Categories:Chemical Auxiliary Agent
Related Product Searches:sodium sulphite,High Quality,sodium sulphite, sodium sulphite na2so3, HG/T 29672000
Product name: sodium sulphite
Molecular formula : Na2SO3
Appearance : white crystalline powder
Purity: 98%
Related Product Searches:sodium sulphite,High Quality,sodium sulphite, sodium sulphite na2so3, HG/T 29672000
Product name: sodium sulphite
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 ) , % ≥ | 99.0 | 97.0 | 93.0 | 90.0 |
Fe , ≤ | 0.002 | 0.005 | 0.01 | / |
Water insoluble matter , % ≤ | 0.05 | 0.03 | 0.05 | / |
Free alkali ( as Na2SO3 ) , % ≤ | 0.10 | 0.40 | 0.60 | / |
Na2SO4 , % ≤ | 2.50 | / | / | / |
NaCl , % ≤ | 0.35 | / | / | / |
Packing: double-layer plastic woven bag.
Uses : used in medicine, papermaking, tannage, leather, printing, dyeing, bleaching and food .
sodium sulphite
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