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Sodium Pyrosulfite
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Sodium Pyrosulfite

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China

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Contact Person Amy

A1808,Dubei Guotong Mansion, Xinhua District, Shijiazhuang, Hebei

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Product Specification

Product Description

Specifications

sodium pyrosulfite
molecular formula: Na2S2O5
CAS: ********4
Appearance:White crystal powder

sodium pyrosulfite

Properties:

Sodium metabisulphite white or yellow crystalline powder or small crystallization, with strong smell, a proportion of SO2 1.4, soluble in water, become acidic aqueous solution, and acid contact is released SO2 generated corresponding salts, long for air, is oxidized to Na2S2O6, reason this product not far. Above ***0C, namely the SO2 decomposition.

Use:

Industrial used for printing and dyeing, organic synthesis, printing, the leather making, pharmaceutical and other department. In food processing of bleaching agent and antiseptic, osteoporosis agent.

 

Details:

 

Test item

Specification

Reagent grade

Pharmaceutical grade

Appearance

Conform

Conform

Assay /%

≥*5.0

≥*2.0

Clarify degrees test

Conform

Conform

Water insoluble /%

≤0.**5

≤0.*1

Chloride (Cl)/%

≤0.**5

≤0.*2

Arsenic  (As) /%

≤0.***1

≤0.***2

Ferric (Fe)/%

≤0.***5

≤0.**2

Heavy metal (Pb)/%

≤0.***5

≤0.**2

 

Country: China
Model No: -
FOB Price: Get Latest Price
Place of Origin: -
Price for Minimum Order: -
Minimum Order Quantity: -
Packaging Detail: -
Delivery Time: -
Supplying Ability: -
Payment Type: -
Product Group : -

Related Products Shijiazhuang Bisosheng Import and Export Trade CO, Ltd

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