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Chemical Sensors: Simulation and Modeling Volume 5: Electrochemical Sensors by Ghenadii Korotcenkov

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CHAPTER 4

MECHANISM OF POTENTIAL DEVELOPMENT FOR POTENTIOMETRIC SENSORS, BASED ON MODELING OF INTERACTION BETWEEN ELECTROCHEMICALLY ACTIVE COMPOUNDS FROM THE MEMBRANE AND ANALYTE

R.-I. Stefan-van Staden

1.  INTRODUCTION

Potentiometric sensors have been used intensively for more than 50 years for pharmaceutical, clinical, food, and environmental analysis (Stefan et al. 2001). The best results have been recorded for pharmaceutical analysis where the matrix is well known. The main problem in their utilization for real samples analysis has been their low selectivity.

To be able to understand the mechanism of potential development, it is necessary ...

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