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Industrial Grade Sodium Sulfite

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Item Quality standard
HG/T 2967-2000
Top-grade First grade Qualified product
sodium sulfite (Na2SO3),% ≥97.0 ≥96.0 ≥93.0
Fe,% ≤0.003 ≤0.005 ≤0.02
Water-Insoluble ≤0.02 ≤0.03 ≤0.05
Free alkali(As content Na2CO3),% ≤0.10 ≤0.40 ≤0.80
Sulfate(As content Na2SO4),% ≤2.5 - -
Chloride(NaCl), content % ≤0.10 - -
 
Packing: polypropylene weaving bag lined with polyethylene plastic bag, paper plastic compound bag, etc.
Net wt.: 25/50/1000kg/bag or upon clients' request

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