For free chlorine determination by the DPD Free Chlorine method. Test 'N Tube Reagent Vials contain pre-measured DPD reagent. Range: 0.09 - 5.00 mg/L as Cl2. Sample Size: 10 mL Pack of 50 vials.
*This product has not been evaluated to test for chlorine and chloramines in medical applications in the United States.