Hi sindzisa ku nyika vuhumelerisi bya xiyimo xa le henhla hi kungu ra kahle ra bindzu, ku xavisiwa ko tshembeka na vukorhokeri bya kahle no hatlisa. a swi nge ku tiseli ntsena xiendliwa xa xiyimo xa le henhla na vuyelo lebyikulu, kambe xa nkoka swinene i ku teka makete lowu nga heriki wa Premium Sodium sulfide Chemical for Water Treatment Solutions, Hi amukela hi mbilu hinkwayo vatirhisani vambirhi va mabindzu ya le matikweni ya le handle na ya laha kaya, naswona hi tshemba ku tirha na wena eka nkarhi wo leha ku ringana!
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Ndlela yo ringanisa sodium sulfide:
Pipeta 25.00 mL ya iodine stock solution kutani u titrate hi 0.10 mol/L sodium thiosulfate solution. Loko solution yi cinca kusuka eka reddish-brown kuya eka pale yellow, chela 5 mL ya starch solution kutani u ya emahlweni na titration kufikela loko muhlovo wa wasi wu nyamalala ntsena.Sodium sulfide.