Redox potential measurements for determining the disinfecting power of chlorinated water

Author:

Victorin K.,Hellström K.-G.,Rylander R.

Abstract

SUMMARYThe kill ofEscherichia coliwithin 3 min. was studied in chlorine-demand-free water using sodium hypochlorite, monochloramine, dichloramine, halazone, chloramine T, cyanuric acid + sodium hypochlorite and cyanuric acid + monochloramine. The redox potential and the available chlorine were measured. The redox potential was found to be better correlated with the disinfecting property of the water than was the amount of available chlorine. For individual pure chlorine compounds, the measuring of available chlorine showed in general a somewhat better correlation with reduction of the bacteria than the redox potential showed.

Publisher

Cambridge University Press (CUP)

Subject

Public Health, Environmental and Occupational Health,Immunology

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4. Applicability of oxidation potential measurements in determining the concentration of germicidally active chlorine in water;Chang;Journal of the New England Water Works Association,1945

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