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Factor & Method: Iodometric Titration Chlorine (For high chlorine levels): Low concentrations of free, total, and various forms of combined chlorine are determined colorimetrically using DPD tablets or liquids, or by ferrous ammonium
sulfate/DPD titration. Higher concentrations are best determined using iodometric titration, which indicates total chlorine only
Test system: Dropper pipet
Range/Sensitivity: 1 drop = 1 ppm
# of Tests (# of reagent): 50 (3)
Image for illustration only.
