This standard specifies the requirements, test methods, inspection rules, marking, labelling, packaging, transportation and storage of industrial sodium hydrosulfide. This standard applies to lump, flake, granular and liquid industrial sodium hydrosulfide. This product is mainly used in industries such as mineral processing, pesticides, tanning, dye production and organic synthesis. Molecular formula NaHS·xH|(2)O
HG/T 3687-2000 history
2000HG/T 3687-2000 SOdium hydrosulfide for industrial use