CHEMISTRY GLOSSARY
referent electrode
referentna elektrodaReferent electrode is an electrode whose potential is known and completely independent of analyte concentration. Mostly used referent electrodes are calomel and silver/silver chloride electrode.
Table: Dependence of referent electrodes potentials on KCl concentration
| Potential vs. SHE / V | |||||
| calomel electrode | Ag/AgCl electrode | ||||
| t / °C | 0.1 mol dm-3 | 3.5 mol dm-3 | sat. solution | 3.5 mol dm-3 | sat. solution |
| 15 | 0.3362 | 0.254 | 0.2511 | 0.212 | 0.209 |
| 20 | 0.3359 | 0.252 | 0.2479 | 0.208 | 0.204 |
| 25 | 0.3356 | 0.250 | 0.2444 | 0.205 | 0.199 |
| 30 | 0.3351 | 0.248 | 0.2411 | 0.201 | 0.194 |
| 35 | 0.3344 | 0.246 | 0.2376 | 0.197 | 0.189 |
Citing this page:
Generalic, Eni. "Referent electrode." Croatian-English Chemistry Dictionary & Glossary. 29 June 2022. KTF-Split. {Date of access}. <https://glossary.periodni.com>.
EnglishFind in dictionary:
Copyright © 2004-2023 by Eni Generalic. All rights reserved. | Disclaimer