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Timhaka leti tolovelekeke ti nga lulamisiwa hi ndlela leyi landzelaka. Leswaku u hlengeletana, khoma bodlhela ra reagent hi vukheta hi mallet ya mapulanga—u nga tshuki u tirhisa hammer ya nsimbi. Muhlovo lowu dyuhaleke wukomba oxidation ya xiphemu, leyinga tshunguriwa hiku refluxing hi nhlayo leyi faneleke ya sulphur powder. Ti solutions letinga na mapapa tifanele ku sefiwa loko kungase endliwa concentration calibration, hiku tirhisa double-layer slow quantitative filter paper. Loko lebula ya bodlhela ra Sodium Sulfide reagent ri wa, hatlisa u ri tsala nakambe hi ku tirhisa ximaki lexi nga ngheniwiki hi mati, u xiya siku ro pfula.Sodium Sulfide.