 Origin |
China |
Sodium Metabisulphite
Specifications96%
Product Remarks Tech Grade
Product Category Textile printing ,dyeing
Product Description:
Synonyms Name:sodium pyrosulfite / sodium metabisulphite
CAS No.??/span> 7681-57-4
Molecular Weight: 190.09
Chemical Formula: Na2S2O5
Quality standard:HG/T??/span>2826??/span>1997
|
Item
|
Industrial standard ( Top grade)
|
Value of our company
|
|
Assay(??/span>Na2S2O5 )%≥
|
96.0
|
97.5
|
|
Iron content(base on Fe) %≤
|
0.005
|
0.002
|
|
water insoluble matter %≤
|
0.05
|
0.02
|
|
Arsenic content(base on As) ≤
|
0.0001
|
0.0001
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|
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