impedimetry

https://doi.org/10.1351/goldbook.09169
Measurement principle in which the complex electric impedance of a system is measured, usually as a function of a small amplitude sinusoidal electrode potential.
Source:
PAC, 2020, 92, 641. (Terminology of Electrochemical Methods of Analysis (IUPAC Recommendations 2019)) on page 686 [Terms] [Paper]