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Sodium Sulfite

Product name:  Sodium Sulfite
Molecular formula: Na2SO3
Packing: polypropylene weaving bag lined with polyethylene plastic bag, paper plastic compound bag, etc.
Net wt.: 25/50/1000kg/bag or upon clients' request
 
 
项目 Item 质量标准 Quality standard
HG/T 2967-2000
优等品Top-grade 一等品First grade 合格品Qualified product
亚硫酸钠sodium sulfite (Na2SO3),% ≥97.0 ≥96.0 ≥93.0
铁 Fe,% ≤0.003 ≤0.005 ≤0.02
水不溶物含量Water-Insoluble ≤0.02 ≤0.03 ≤0.05
游离碱(以Na2CO3计)含量Free alkali(As content Na2CO3),% ≤0.10 ≤0.40 ≤0.80
硫酸盐(以Na2SO4计)含量 Sulfate(As content Na2SO4),% ≤2.5 - -
氯化物(以NaCl计)含量Chloride(NaCl), content % ≤0.10 -  
 
 

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