Multicomponent analysis of drinking water by a voltammetric electronic tongue

• A voltammetric electronic tongue is described that was used for multicomponent analysis of drinking water. Measurements were performed on drinking water from a tap and injections of the compounds NaCl, NaN3, NaHSO3, ascorbic acid, NaOCl and yeast suspensions could be identified. A PLS based model was developed for the simultaneously prediction of identification and concentration of the compounds NaCl, NaHSO3 and NaOCl .By utilizing this type of nonselective sensor technique for water quality surveillance, it will be feasible to detect a plurality of events without the need of a specific sensor for each type of event.

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