Naslov
The influence of AC interference on electrochemical impedance spectroscopy measurements on high impedance coatings

Autori
Šoljić Ines, Šoić Ivana, Martinez Sanja

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
10th ISE Satellite Student Regional Symposium on Electrochemistry / Marčinek Saša, Mikić Dajana - Zagreb : Hrvatsko društvo kemijskih inženjera i tehnologa (HDKI), 2021, 24-24

ISBN
978-953-6894-79-6

Skup
10th ISE Satellite Student Regional Symposium on Electrochemistry

Mjesto i datum
Zagreb, Hrvatska, 02.07.2021

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Nije recenziran

Ključne riječi
EIS ; coating ; polyester ; AC interferences

Sažetak
The influence of AC interference on electrochemical impedance spectroscopy (EIS) measurements on industrial coating systems was investigated. EIS is an interesting method as it quantifies coating quality by measuring coating impedance. The study first addresses the accuracy, repeatability and reproducibility of measurements made on calibration foils inside and outside the Faraday cage under various intentional AC interferences. The relative standard deviation (RSD) of the impedance of the foils inside the Faraday cage is less than 0.5%. Outside the Faraday cage, a relationship is established between the signal-to-noise ratio, the RSD of the measurements and the relative measurement error. It was found that for the noise amplitude up to 250 mV, both the RSD and the relative error can be kept below 5 % by increasing the DEIS signal amplitude to 250 mV and taking average of ten repeated measurements.

Izvorni jezik
Engleski

Znanstvena područja
Temeljne tehničke znanosti

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