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Evaluation of industrial cutting fluids using electrochemical impedance spectroscopy and multivariate data analysis
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2012 (English)In: Talanta: The International Journal of Pure and Applied Analytical Chemistry, ISSN 0039-9140, E-ISSN 1873-3573, Vol. 97, 468-472 p.Article in journal (Refereed) Published
Abstract [en]

In this paper we explore the combination of electrochemical impedance spectroscopy (EIS) and multivariate data analysis to evaluate the concentration and pH of an industrial cutting fluid. These parameters are vital for the performance of for instance tooling processes, and an on-line quality monitoring system would in such applications be very beneficial. It is shown that both the total impedance and the phase angle contain information that allows the simultaneous discrimination of the concentration and the pH. The final evaluation was conducted using the regression technique partial least squares (PLS), and this approach provided a way to quickly and easily find the correlation between EIS data and the sought parameters. The possibility to estimate both the concentration and pH level clearly indicates the potential of this method to be implemented for on-line evaluation.

Place, publisher, year, edition, pages
2012. Vol. 97, 468-472 p.
Keyword [en]
Electrochemical impedance spectroscopy, Partial least squares, Sensor, Cutting fluid
National Category
Inorganic Chemistry
Research subject
Chemistry with specialization in Inorganic Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-182534DOI: 10.1016/j.talanta.2012.05.001ISI: 000308268800071OAI: oai:DiVA.org:uu-182534DiVA: diva2:560261
Available from: 2012-10-12 Created: 2012-10-11 Last updated: 2017-12-07Bibliographically approved

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Björefors, Fredrik

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