Circumventing Traditional Conditioning Protocols in Polymer Membrane-Based Ion-Selective Electrodes

Preparation of ion-selective electrodes (ISEs) often requires long and complicated conditioning protocols limiting their application as tools for in-field measurements. Herein, we eliminated the need for electrode conditioning by loading the membrane cocktail directly with primary ion solution. This...

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Bibliographic Details
Published in:Analytical chemistry (Washington) 2016-09, Vol.88 (17), p.8404-8408
Main Authors: Rich, Michelle, Mendecki, Lukasz, Mensah, Samantha T, Blanco-Martinez, Enrique, Armas, Stephanie, Calvo-Marzal, Percy, Radu, Aleksandar, Chumbimuni-Torres, Karin Y
Format: Article
Language:English
Subjects:
Analytical chemistry
Conditioning
Constraining
Electrodes
In situ measurement
Iodides
Measurement
Membranes
Sodium
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Summary:Preparation of ion-selective electrodes (ISEs) often requires long and complicated conditioning protocols limiting their application as tools for in-field measurements. Herein, we eliminated the need for electrode conditioning by loading the membrane cocktail directly with primary ion solution. This proof of concept experiment was performed with iodide, silver, and sodium selective electrodes. The proposed methodology significantly shortened the preparation time of ISEs, yielding functional electrodes with submicromolar detection limits. Moreover, it is anticipated that this approach may form the basis for the development of miniaturized all-solid-state ion-selective electrodes for in situ measurements.
ISSN:0003-2700
1520-6882
DOI:10.1021/acs.analchem.6b01542