برای اندازه گیری دی اکسید کلر با کلروفنل قرمز Chlorine Dioxide Reagent Set, Chlorophenol Red For determination of Chlorine Doxide by the Chlorophenol Red Method. Hach method 8065. Range: 0.01 - 1.00 mg/L ClO2. Set contains Chlorine Dioxide Reagent 1, 2, and 3, and Dechlorinating Reagent Powder Pillows for 100 tests. Sample Size: 50 mL