MAIN USES
Sodium Bisulphite Solution is a clear, pale yellow liquid manufactured from sulphur dioxide and a sodium alkali with strengths ranging from 16% to 40%.
The product is typically supplied in bulk tankers, 200 litre drums and 1,000 litre IBC’s.
Sodium Bisulphite Solution is a convenient source of SO2 and is therefore used in a wide variety of applications including oxygen scavenging, food preservation and chlorine removal.
MORE INFORMATION
■ Product data and typical properties
Formula: NaHSO3
Molecular weight: 104.06
Specific gravity (20°C): 1.15 (typical)
Crystallisation temperature: 0°C approx.
Appearance: clear pale yellow liquid
Assay: % w/w SO2 12.5 ± 0.5 % w/w NaHSO3 20.3 ± 0.8
pH (20°C, neat): 3.5-5.0
Sulphates: % Na2SO4 < 1.5
Iron: % as Fe < 0.001
Heavy metals: % as Pb < 0.001
Selenium: % as Se < 0.0002
Arsenic: % as As < 0.0003
Lead: % as Pb < 0.0005
Mercury: % as Hg < 0.0001
■ Packaging
Road tankers, according to transport regulations
1000 LITRE Intermediate bulk containers (IBCs), 200 and 25 litre polyethylene drums.
DOCUMENTATION
For handling information please consult the documentation
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