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Table 1 Variations of the in vitro tests and resulting observations

From: Chloride migration measurement for chloride and sulfide contaminated concrete

Reactants Oxidation agent Amount of oxidation agent Observations
Sulfide Iodide Chloride
No Yes No KIO3 1 drop Slightly-blue discoloration
No Yes No KIO3 1 mL Brown discoloration with dark blue precipitate
Yes No No KIO3 6 drops Light-blue discoloration
Yes No No KIO3 1 mL Orange discoloration with dark blue precipitate
No Yes No H2O2 4 drops Dark-blue discoloration
No Yes No H2O2 1 mL Brown discoloration with dark blue precipitate
Yes No No H2O2 3 drops No discoloration
Yes No No H2O2 1 mL Milky turbid discoloration
Yes Yes No H2O2 6 drops Milky turbid discoloration
Yes Yes No H2O2 1 mL Blue discoloration
Yes No No K2S2O8 1 mL Turbidity
No Yes No K2S2O8 1 mL Blue discoloration