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“Electronic tongue” integrated sensor system based on an array of ion-selective field-effect transistors for multicomponent analysis of liquid media

  • Physicochemical Studies of Systems and Processes
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Abstract

Results obtained with an “electronic tongue” device based on an array of ion-selective field transistors integrated into a flow-injection system are presented. The component concentrations in mineral waters from Spanish manufacturers are analyzed. Processing of analytical signals by the partial least squares method improves the accuracy of component determination in mineral waters of close compositions. A single chip integrates sensors sensitive to pH, K+, Na+, Ca2+, and Cl− ions. Mineral waters are classified and the concentrations of the main components are calculated with an error not exceeding 10%.

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Authors and Affiliations

  1. St. Petersburg State University, St. Petersburg, Russia

    Yu. Vlasov

  2. Instituto de Microelectronica de Barcelona, CNM CSIC, Barcelona, Spain

    A. Ipatov, L. Moreno, N. Abramova, A. Bratov & K. Dominges

Authors
  1. A. Ipatov
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  2. L. Moreno
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  3. N. Abramova
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  4. A. Bratov
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  5. Yu. Vlasov
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  6. K. Dominges
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Additional information

Original Russian Text © A. Ipatov, L. Moreno, N. Abramova, A. Bratov, Yu. Vlasov, K. Dominges, 2009, published in Zhurnal Prikladnoi Khimii, 2009, Vol. 82, No. 8, pp. 1286–1291.

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Ipatov, A., Moreno, L., Abramova, N. et al. “Electronic tongue” integrated sensor system based on an array of ion-selective field-effect transistors for multicomponent analysis of liquid media. Russ J Appl Chem 82, 1384–1389 (2009). https://doi.org/10.1134/S1070427209080126

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  • DOI: https://doi.org/10.1134/S1070427209080126

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