For free chlorine determination by the DPD Free Chlorine method. USEPA accepted for reporting in drinking water and wastewater analysis using Hach Method 8021. For best results use with a Hach colorimeter or spectrophotometer.
Pack of 1000 powder pillows.
Boric Acid Free!
*This product has not been evaluated to test for chlorine and chloramines in medical applications in the United States.
2105528, Free Chlorine Reagent Pillows, 10 mL, 1000 pk
- Range from: 0.02 - 2.00 mg/L Cl₂
- Sample Size: 10 mL