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Indlela yokulinganisa i-sodium sulfide:
Phetha i-25.00 mL yesisombululo se-iodine bese u-titrate nge-0.10 mol/L yesisombululo se-sodium thiosulfate. Lokha isisombululo nasitjhuguluka sisuka ebomvu-nsundu ukuya ephuzi, faka i-5 mL yesixazululo sesitatshi bese uragela phambili nokulinganisa bekube kulapho umbala ohlaza satjani unyamalala. I-sodium sulfide.