For free chlorine determination by the DPD method.
USEPA accepted for reporting drinking water analysis using Hach Method 8021.
Ranges: LR: up to 2.00 mg/L; MR: 0.05 - 4.50 mg/L; HR: 0 .1- 10.0 mg/L.
Sample Sizes: LR: 25 mL; MR: 10 mL; HR: 5 mL.
Pack of 1000 powder pillows.