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Application of quartz crystal microbalance and dynamic impedance spectroscopy to the study of copper corrosion inhibitors
Abstract
The study investigates the application of Dynamic Electrochemical Impedance Spectroscopy (DEIS) and Electrochemical Quartz Crystal Microbalance (EQCM) techniques to examine the corrosion inhibition of copper by Benzotriazole and Sodium Folate in a 0.1 M NaCl solution. DEIS, an advanced version of Electrochemical Impedance Spectroscopy (EIS), allows for real-time monitoring of non-stationary electrochemical systems, while EQCM enables the detection of minute mass changes during electrochemical reactions. Through 24-hour chronopotentiometric measurements, the study observed the effects of 5 mM Benzotriazole and 10 mM Sodium Folate on copper corrosion. Results indicated that Benzotriazole significantly enhances corrosion resistance by forming a protective layeron the copper surface, as evidenced by increased impedance and stable mass changes. Conversely, Sodium Folate exhibited a less effective, dynamic interaction with the copper surface. This research highlights the synergistic use of DEIS and EQCM in understanding corrosion mechanisms and inhibitor efficiency, providing insights into optimizing corrosion protection strategies. The findings suggest that whileboth inhibitors improve corrosion resistance, Benzotriazole demonstrates superior performance, underscoring its potential for more effective corrosion control in various industrial applications.
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Keywords
Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
Journal of Materials and Manufacturing
no. 3,
pages 8 - 16,
ISSN: 2822-6054 - Language:
- English
- Publication year:
- 2024
- Bibliographic description:
- Parasińska D., Kwiatkowski H., Ślepski P.: Application of quartz crystal microbalance and dynamic impedance spectroscopy to the study of copper corrosion inhibitors// Journal of Materials and Manufacturing -,iss. 3 (2024), s.8-16
- DOI:
- Digital Object Identifier (open in new tab) 10.5281/zenodo.12568722
- Sources of funding:
-
- COST_FREE
- Verified by:
- Gdańsk University of Technology
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