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Preparation and Properties of Reference Electrodes Based on Silver Paste Amalgam
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SYSNO ASEP 0363716 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Preparation and Properties of Reference Electrodes Based on Silver Paste Amalgam Author(s) Josypčuk, Bohdan (UFCH-W) RID, SAI, ORCID
Barek, J. (CZ)
Yosypchuk, O. (CZ)Source Title Electroanalysis. - : Wiley - ISSN 1040-0397
Roč. 23, č. 9 (2011), s. 2226-2231Number of pages 6 s. Language eng - English Country DE - Germany Keywords electrochemistry ; reference electrodes ; paste amalgams Subject RIV CG - Electrochemistry R&D Projects GAP206/11/1638 GA ČR - Czech Science Foundation (CSF) IAA400400806 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) LC06063 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z40400503 - UFCH-W (2005-2011) UT WOS 000295143900032 DOI 10.1002/elan.201100143 Annotation The preparation and testing of saturated calomel electrodes (SCE-AgPA), mercury-mercurous sulfate (MMSE-AgPA) and mercury-mercuric oxide (MMOE-AgPA) reference electrodes based on silver paste amalgam are described. All three electrodes have shown long-term stability of their potentials (ESCE-AgPA=−0.56±0.34 mV; EMMSE-AgPA=391.5±1.4 mV; EMMOE-AgPA=−104.9±0.7 mV vs. classical SCE; test time was 14 months). All paste amalgam electrodes have potentials close to their analogues with metallic mercury. They can therefore replace each other without any recalculation. Peak potentials of anodic dissolution of cadmium measured with the SCE-AgPA and SCE are identical. The greatest resistance to polarization was registered with the SCE-AgPA and significantly lower with other tested electrodes. Workplace J. Heyrovsky Institute of Physical Chemistry Contact Michaela Knapová, michaela.knapova@jh-inst.cas.cz, Tel.: 266 053 196 Year of Publishing 2012
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