Sodium Bisulphite

Formula NaHSO3
Molecular Weight 104
Assay as Na2S2O5
95 % Min
Assay as (SO2 ) 64 % Min
Solubility (10 % Aquous Soln)
  1. S. Hazy to clear solution
pH of 5% Solution 3.5 to 4.5

Description:
White crystalline powder, free from extraneous Matter with a faint odour of sulphur dioxide gas.

Sodium Bisulphite Solutuion – 35%

Formula NaHSO3
Molecular Weight 190.10
Density 1345-50
% as NaHSO3 35%
pH of 5% Solution 4 to 4.5

Description:
Pale straw coloured liquid containing 35 % Sodium Bisulphite.

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