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Flow injection analysis applied to a voltammetric electronic tongue
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Applied Physics .
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology.
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Applied Physics .
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Applied Physics .
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2002 (English)In: Analytica Chimica Acta, ISSN 0003-2670, E-ISSN 1873-4324, Vol. 471, no 2, 159-172 p.Article in journal (Refereed) Published
Abstract [en]

A measurement system, based on flow injection analysis (FIA) technique applied to a voltammetric electronic tongue is described. A reference solution was thus continuously pumped through a cell with a voltammetric electronic tongue, and test samples were injected into the flow stream. Responses were obtained by measuring the resulting pulse height. The FIA technique offered several advantages, since relative measurements are performed, the system is less influenced by sensor baseline drift, calibration samples and/or washing solutions can be injected within a measurement series, and the system is well adapted for automatization. The system was used to analyze standard solutions of H2O2, KCl, CuNO3, K4[Fe(CN)6], K3[Fe(CN)6] and NaCl, and results obtained were treated with multivariate data analysis. Principal component analysis performed showed that electrode drift could be considerably decreased, and the set-up was also used for classification of different apple juices. © 2002 Elsevier Science B.V. All rights reserved.

Place, publisher, year, edition, pages
2002. Vol. 471, no 2, 159-172 p.
Keyword [en]
Electronic tongue, Flow injection analysis, Principal component analysis, Pulsed voltammetry, Taste sensor
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-46861DOI: 10.1016/S0003-2670(02)00923-6OAI: oai:DiVA.org:liu-46861DiVA: diva2:267757
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-13

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Winquist, FredrikRydberg, ElinorHolmin, SusanneKrantz-Rülcher, ChristinaLundström, Ingemar

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Winquist, FredrikRydberg, ElinorHolmin, SusanneKrantz-Rülcher, ChristinaLundström, Ingemar
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Analytica Chimica Acta
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