Stability of silver/silver chloride quasi-reference electrodes under gamma radiation for corrosion measurements

Stability of silver/silver chloride quasi-reference electrodes under gamma radiation for corrosion measurements

This study explored the long-term stability of silver/silver chloride (Ag/AgCl) quasi-reference electrodes (QREs) for in-situ electrochemical measurements under gamma radiation at room temperature. Compared to full half-cell REs, QREs enable low-volume experiments and avoid frit obstruction. Both ex...

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Bibliographic Details
Main Authors: Anqi Shi, Emmanuel Mena-Morcillo, Taras Skotar, Reza Moshrefi, Mehran Behazin, Peter George Keech, Samantha Michelle Gateman
Format: Article
Language:English
Published: Elsevier 2025-06-01
Series:Electrochemistry Communications
Subjects:
quasi reference electrode
Reference electrodes
Ag/AgCl reference
Stability
Ionizing radiation
Corrosion
Online Access:http://www.sciencedirect.com/science/article/pii/S138824812500058X
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Summary:This study explored the long-term stability of silver/silver chloride (Ag/AgCl) quasi-reference electrodes (QREs) for in-situ electrochemical measurements under gamma radiation at room temperature. Compared to full half-cell REs, QREs enable low-volume experiments and avoid frit obstruction. Both ex-situ open circuit potential and in-situ internal reference probe measurements were employed to confirm the reliability of the Ag/AgCl QREs for at least 33 days. The electrodes were implemented successfully for in-situ electrochemical corrosion measurements of copper under radiation, important for nuclear waste storage applications. This work sets the standards for validating other (quasi) reference electrodes under harsh conditions and confirms the stability of AgCl coatings for implementation of QREs for small-scale radioelectrochemical experiments.
ISSN:1388-2481

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