Study on the Application of Tetramethylbenzidine Spectrophotometry in Determination of Free Chlorine in Drinking Water
The spectrophotometric determination of free chlorine in drinking water and its sources by tetramethylbenzidine was investigated in detail.In this paper,the principle,experimental procedure,condition optimization,performance evaluation and application performance of this method are introduced systematically,and compared with other common methods such as DPD spectrophotometry.
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