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Sodium Dimethyl Dithiocarbamate (SDD) is a heavy metal precipitant/chelating agent that reacts with various heavy metal ions at room temperature (eg chromium, nickel, copper, zinc, manganese, cadmium, Vanadium and tin), forming water-insoluble chelating salts and forming precipitates for the purpose of removing heavy metal ions.So,The manily usage of SDD is Heavy metals removal and metals precipitator in waste water treatment.
link:https://www.senloschemical.com/water-treatment-chemicals/sodium-dimethyl-dithiocarbamate.html
Sodium Dimethyl Dithiocarbamate