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Sodium bisulphite
Molecular Formula:NaHSO3
Molecular Weight:104.06
Appearance:White crystal grain
Properties
White monoclinic crystalline powder with sulfur dioxide odor; relative density: 1.49; very easily soluble in water; can be decomposed when heated; slightly soluble in ethanol; aqueous solution is acidic; have strong reducing property; can be oxidized in the air or loose sulfur dioxide. 
Technical Indicator Chinese standard
HG/T3814-2006
Company standard
Main content (as NaHSO3) ≥ % 99 99.5
Water-Insoluble ≤ % 0.03 ≤0.01
Chloride(Cl) ≤ % 0.05 ≤0.03
Iron(Fe) ≤ % 0.004 ≤0.001
Heavy metal(Pb)≤% 0.001 ≤0.0001
Arsenic(As) ≤ % 0.0002 ≤0.0001
Packing:polypropylene weaving bag lined with polyethylene plastic bag, paper plastic compound bag, etc.
Net wt.:25/50/1000/1100/1200kg/bag or upon clients' request
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