Determination of chlorine dioxide in potable waters using chlorophenol red.

@article{Fletcher1985DeterminationOC,
  title={Determination of chlorine dioxide in potable waters using chlorophenol red.},
  author={Ian John Dr Fletcher and Paul Hemmings},
  journal={The Analyst},
  year={1985},
  volume={110 6},
  pages={
          695-9
        }
}
The determination of chlorine dioxide using chlorophenol red was investigated in the presence of various chlorinated species that can occur under normal water treatment conditions. Previously published methods employing chlorophenol red were found to be subject to unreported and significant interference from free chlorine (hypochlorous acid).Glycine, ammonium sulphate and sodium cyclamate were investigated as possible reagents to suppress this interference. Glycine was found to be an unsuitable… 
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