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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Analysis of the Contents in Stabilized Chlorine Dioxide

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1999, v.12 no.5, pp.403-407
Shin, Ho-Sang
Oh-Shin, Yun-Suk
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Abstract

A method for detecting chlorine dioxide in drinking water was developed by the modified iodometric titration. This method requires prior removal of interfering chemicals such as chlorine and/or other oxidants: the interferents are removed by <TEX>$N_2$</TEX> purging. Chlorite and chlorate were successfully quantified by the ion chromatography-conductivity detection. Stabilized chlorine dioxide that is commercially available contained only traces of chlorine dioxide (0.01-0.09%). In reality, its main component is chlorite.

keywords
chlorine dioxide, chlorite, chlorate, stabilized chlorine dioxide, quantitation


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