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Product Detail
Sodium Bisulfite
Product: Sodium Bisulfite
CAS No.: 7631-90-5
Color: White crystal grain
Grade: Industry Grade
Cert.: ISO9001 etc.
Package: 25kg/bag, 27 tons/20` FCL.
Detail


Description

Sodium Bisulfite is a 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.


Applications

1.Sodium bisulfite is a common reducing agent in the chemical industries.   

2. It is usually added to large piping systems to prevent oxidative corrosion.   

3. In biochemical engineering applications, it is helpful to maintain anaerobic conditions within a reactor.   

4. In wastewater treatment, sodium bisulfite is often added following disinfection with a chlorine solution to neutralize the residual chlorine before discharging the treated effluent.


Package and Storage

Packed in 25kg plastic woven bag, or 1000kg/jumbo bag or as per the buyer's requirement.

The product shall be protected from physical damage. Store in a cool, dry, ventilated area away from sources of heat, moisture and incompatibilities.


Specification:

Items

Specifications Standard :

Appearance

White crystal grain

Main content (as NaHSO3) %

≥99.0

Sulfur Dioxide(SO2)%

64-67

Water Insoluble    %

≤0.03

Iron(Fe)    %

≤0.004

Heavy metal(Pb)%

≤0.001

Arsenic(As)    %

≤0.0002

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