Molecular Formula: Na2SO3
Molecule Weight: 126.04
Appearance: white or light yellow crystalline powder
Quality standard: HG/T 2967——2000
Item |
Value |
Top-grade |
First grade |
Qualified product |
sodium sulfite (Na2SO3),% |
≥ 97.0 |
≥ 96.0 |
≥ 93.0 |
Fe,% |
≤ 0.003 |
≤ 0.005 |
≤ 0.02 |
water-Insoluble ,% water-Insoluble ,% |
≤ 0.02 |
≤ 0.03 |
≤ 0.05 |
Free alkali(as Na2SO3),% |
≤ 0.10 |
≤ 0.40 |
≤ 0.80 |
Sulfate(as Na2SO4),% |
≤ 2.5 |
— |
— |
Chloride(as NaCl),% |
≤ 0.10 |
— |
— |
Uses: used in leather and tannage, plant bleaching agent, reductant
Packing: in polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc.
Net weight: 25,50,1000kilograms per bag or following your demand.
We welcome your orders for bromide products, magnesium chloride, industrial crude salt and bittern serial chemicals. |
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