SIBATA Powder Reagent / high residual chlorine / 100 pks,・ This reagent is used with the AQ-202/102 AQUAB handy water quality meter for measuring high-concentration residual chlorine as well as AQ-202P/102P available chlorine concentration measurement kit.

・ It uses the same coloring principle as the iodine titration method of the method for examining tap water where the water color changes between light yellow and dark yellow.,

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