Description
Appearance Light yellow liquid
Visual
Concentration 36%-38% As NaHSO3
Titrimetric
SO2 content min. 22% (m/m)
Density (25 ºC,g/ml) 1.30-1.37 Densimeter
Iron content max. 10 ppm Colorimetric
Heavy metals max. 5 ppm (excluding Fe, As, Pb) Colorimetric
APPLICATION FIELDS
Antichlore in bleaching fibers and mordant in textile
Antiseptic in production of cellulose esters
Main raw material in production of sodium hydrosulfite
Aromatic alcohols and aldehyde
Antiseptic in fermentation process
Depilator in leather industries
Disinfectant in cosmetic and canned industry
Various applications in paper, rubber, sugar, galvanoplasty and adhesive industries