... No6303-21-5SPECIFICATIONS:Assay(NaOH titration) from 49.5% to 50.5%Appearance clear , colourless liquidSodium sulphate 8.0% ... Manganous Hypophosphite, Ferric Hypophosphite, etc. b. It is extensive to used for the medicine, chemical engineering, coating, electroplate, ... paint, the chemistry electroplates to wait the aspect conduct and actions restores a molecular ...