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Izinkinga ezivamile zingaxazululwa kanje. Ukuze uhlanganise, thinta ibhodlela le-reagent ngobumnene ngesando sokhuni—ungalokothi usebenzise isando sensimbi. Umbala omnyama ubonisa i-oxidation engaphelele, engelashwa ngokufaka i-reflux ngenani elifanele lempuphu yesibabule. Izixazululo ezinamafu kufanele zihlungwe ngaphambi kokulinganiswa kokuhlushwa, kusetshenziswa iphepha lokuhlunga elincane elinezingqimba ezimbili. Uma ilebula lebhodlela le-reagent le-Sodium Sulfide liwa, libhale kabusha ngokushesha usebenzisa uphawu olungangeni manzi, ubhale usuku lokuvula. I-Sodium Sulfide.