Information on the amperometric measurement of free chlorine, chlorine dioxide and ozone in water
For reasons of hygiene, drinking water, or any other water that people come into direct or indirect
contact with, often has to be treated with compounds that destroy any micro-organisms contained in it. Chlorine, chlorine compounds or ozone are very often used as disinfectants. In this sensitive area, a
high level of safety for the consumer is an absolute requirement, and for this reason, systems are used
for fully automatic monitoring, control and recording of the disinfectant concentration. Amperometric sensors provide the best means of monitoring the disinfectant concentration. This technical publication will present the electrochemical fundamentals and the application technology of such sensors in an
easily understood form, for the interested reader.
We are trying to keep this “Information on the amperometric measurement of chlorine, chlorine dioxide
and ozone in water” fully up to date. In case of doubt, please consult the current legal requirements and appropriate standards. We call upon our readers to take part in an active exchange of experience and knowledge. Your suggestions and contributions to the discussion would be most welcome.
Follow up trainings:
FAS 619 EN
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