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Determination of Sodium Sulfide
Sodium Sulfide Reagents
Glacial acetic acid solution: 1+10
Iodine standard titration solution: approximately 0.1 mol/L
Sodium thiosulfate standard titration solution: approximately 0.1 mol/L
Starch indicator solution
95% ethanol
Sodium carbonate solution: 10%
Zinc sulfate solution: 10%