Sodium Sulfite
| Place of Origin:China Nei Mongol | Purity:99% 98% 97% 96% 93% Sodium Sulfite |
| Model Number:technical grade |
Detailed Product Description
Product name: Sodium Sulfite Anhydrous
Product name: Sodium Sulfite 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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