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...Disinfection of potable water is the specialized treatment for destruction or removal organisms capable causing disease disinfectants widely used in are oxidizing agents such as chlorine being a strong oxidant will react with oxidizable materials present before it has chance to act disinfectant been disinfecting cheap reliable and easy handle according following equation cl h o hocl hypochlorous acid hcl ocl hypochlorite ion because its ability diffuse easily through cell walls microorganisms disrupt life function relative concentration vary ph temperature solution many times stronger an than predominant below above respectively therefor power decreases increase existing hypochlorius molecular defined free available ammonia organic amines form chloramine which less active this known combined nh monochloramine nhcl dichloramine ncl trichloramine break point chlorination when added consumed wide variety compounds matters other no can be measured until initial demand satisfied b figure af...