Articles | Volume 9, issue 2
https://doi.org/10.5194/jsss-9-383-2020
https://doi.org/10.5194/jsss-9-383-2020
Regular research article
 | 
11 Nov 2020
Regular research article |  | 11 Nov 2020

Glass electrode half-cells for measuring unified pH in ethanol–water mixtures

Agnes Heering, Frank Bastkowski, and Steffen Seitz

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Latest update: 13 Dec 2024
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Short summary
The new concept of a unified pH scale can be used to compare acidities of different kinds of solvents and their mixtures. The aim of the work was to investigate the robustness of the measurement method with four commercially available glass electrodes for non-aqueous media in comparison with the rather specific type of cell used so far for this measurement. The measurement results in aqueous mixtures of ethanol show good agreement.