Hach 1407799 DPD游离氯试剂粉末枕头,5 mL,PK / 100

For determination of free chlorine by the DPD method. For use with Hach's Chlorine Visual Test Kits. 

Sample Size: 5 mL. 

Range: up to 3.5 mg/L Cl₂. 

Pack of 100 powder pillows.

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