Water Treatment
HANNA Instruments offers water treatment professionals with laboratory products, process instrumentation, photometers and free and total chlorine analyzers for water analysis.
White Papers
Disinfection and Chlorine Facts
Disinfection is a process of killing disease-causing organisms (or pathogens). Chlorine (Cl2) is a very desirable disinfectant because, when mixed with pure water, it reacts to form hypochlorous acid (HOCl) and hydrochloric acid (HCl). HOCl (free active chlorine) is the most effective form of chlorine for disinfection. Read this white paper to find out more about Disinfection and Chlorine.