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Colorimetric method for determination of chlorine with 3,3',5,5'-tetramethylbenzidine. 1994

F B Serrat
Department of Analytical Chemistry, Faculty of Chemistry, University of Valencia, Burjassot, Spain.

A new method is developed for the calorimetric determination in water of chlorine (free and combined) with 3,3',5,5'-tetramethylbenzidine. The procedure proposed achieves a detection limit of 2 ng/ml and its sensitivity is greater than that of the methods used at present.

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