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Redox potential measurements for determining the disinfecting power of chlorinated water

Published online by Cambridge University Press:  15 May 2009

K. Victorin ,
K.-G. Hellström  and
R. Rylander
K. Victorin
Affiliation:
Department of Environmental Hygiene, The National Institute of Public Health and the Institute of Hygiene, Karolinska Institute, Stockholm, Sweden
K.-G. Hellström
Affiliation:
Department of Environmental Hygiene, The National Institute of Public Health and the Institute of Hygiene, Karolinska Institute, Stockholm, Sweden
R. Rylander
Affiliation:
Department of Environmental Hygiene, The National Institute of Public Health and the Institute of Hygiene, Karolinska Institute, Stockholm, Sweden
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The kill of Escherichia coli within 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.

Type
Research Article
Information
Journal of Hygiene , Volume 70 , Issue 2 , June 1972 , pp. 313 - 323
Copyright
Copyright © Cambridge University Press 1972

References

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