Introduction
Coulometric analysis is an electrochemical method, in which an analyte of interest is exhaustively electrolysis adjacent to the surface of electrode [1]. Due to absolute measurement of total charge via a single redox reaction of an analyte, coulometric analysis is principally governed by Faraday’s law, without reference standard [1, 2]. In general, there are two types of coulometric technique based on controlled parameters: controlled-potential coulometry (CPC) and controlled-current coulometry (CCC) [2]. In this entry, the fundamentals, applications and limitations of each coulometry will be discussed, along with the recent studies performed by either type of coulometry.
Controlled-Potential Coulometry (CPC)
Controlled-potential (potentiostatic) coulometry [3] is an easy and efficient method to carry out exhaustive (complete) electrolysis, by simply applying constant potential onto the working electrode with respect to the reference electrode. Ideally, electrolysis of a...
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Hsueh, CJ., Janyasupab, M., Lee, YH., Liu, CC. (2014). Coulometric Analysis. In: Kreysa, G., Ota, Ki., Savinell, R.F. (eds) Encyclopedia of Applied Electrochemistry. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-6996-5_78
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