Usage: ( 1) As antioxidant and color-reducing agent for alkyd resin. ( 2) As reducer. ( 3) In the manufacture of sodium hypophosphite, calcium hypophosphite, manganese hypophosphite, iron hypophosphite etc.( 4) As reagent in pharm industry on 30% solutionItem SpecificationHypophosphorous acid (H3PO2) content, % > 50. 0Phosphorous acid (H3PO3) content, % < 0. 3Iron (Fe) content, % < 0. 0005Chloride (based on Cl) content, % < 0. 015Sodium (Na) Content, % < 0. 05Sulfate (based on SO 4) content, % < 0. 015Arsenic (As) Content, % < 0. 0001Lead (Pb) Content, % < 0. 0005Chroma (Hazen) 30Relative Density (20degree) 1. 210-1. 226
Usage:
( 1) As antioxidant and color-reducing agent for alkyd resin.
( 2) As reducer.
( 3) In