The Reaction of Organic Nitrogen Compounds with Chlorine and Chlorine Dioxide

M. M. Varma
F. R. Niles
J. H. Johnson

DOI: 10.2190/WTYL-696C-4BC0-CC97


When chlorine and chlorine dioxide are separately interacted with the nitrogenous compounds, namely, adenine, cytosine, thymine, and uracil, and in the concentration range of 0.001 to 0.28 mm/l, chlorine exhibited a higher selectivity for cytosine and thymine, when the concentrations of nitrogenous compounds were held constant. Under similar conditions, there were no reactions with chlorine dioxide. These findings herald inroads into an understanding of chlorine-DNA dynamics and the resulting mutagenic effect, and the associated health impacts of disinfecting municipal water and wastewater by chlorination.

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