A tutorial on the application of ion-selective electrode potentiometry: An analytical method with unique qualities,unexplored opportunities and potential pitfalls; Tutorial |
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Authors: | Ernő Lindner Bradford D PendleyAuthor Vitae |
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Institution: | Department of Biomedical Engineering, The University of Memphis, Memphis, TN 38152, United States |
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Abstract: | Ion-selective potentiometry enjoys practical utility as a simple analytical technique to measure ionic constituents in complex samples. Advances in the field have improved the selectivity and decreased the detection limit of ion-selective electrodes (ISEs) by orders of magnitude such that trace analysis in micro and nanomolar concentrations is now possible with potentiometric sensors. This tutorial reviews the fundamental principles of ion-selective potentiometry, describes the practical considerations involved in the use of these sensors to measure real samples, and discusses the statistical evaluation of experimental results compared with alternative analytical techniques. |
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Keywords: | Ion-selective electrodes Application of potentiometry Sources of errors Method comparison |
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