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Combined Voltammetric-Potentiometric Sensor with the Silver Solid Amalgam Link for Electroanalytical Measurements
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SYSNO ASEP 0181516 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Combined Voltammetric-Potentiometric Sensor with the Silver Solid Amalgam Link for Electroanalytical Measurements Author(s) Josypčuk, Bohdan (UFCH-W) RID, SAI, ORCID
Novotný, Ladislav (UFCH-W)Source Title Electroanalysis. - : Wiley - ISSN 1040-0397
Roč. 14, č. 24 (2002), s. 1739-1741Number of pages 3 s. Language eng - English Country DE - Germany Keywords combined voltammetric-potentiometric sensors ; solid amalgam Subject RIV CG - Electrochemistry R&D Projects GV204/97/K084 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z4040901 - UFCH-W Annotation An arrangement of a combined voltammetric-potentiometric sensor (CVPS) with a silver solid amalgam link (AgSAL) was designed, comprising a working electrode inserted into an internal solution of a proper depolarizer (e.g., 10 ppm Cu(II) in 0.2 M acetate buffer, 2% tartaric acid), which is separated from the analyzed solution by the AgSAL or other amalgam links. The preparation procedure of the AgSAL was described. The sensor has been successfully tested using solutions at various concentrations of Ag(I) and Hg(II) in various types of base electrolytes, exhibiting good selectivity with respect to Ag(I) or Hg(II) ions. The proportional voltammetric current concentration dependences i(p) - ln c were obtained and interpreted. Workplace J. Heyrovsky Institute of Physical Chemistry Contact Michaela Knapová, michaela.knapova@jh-inst.cas.cz, Tel.: 266 053 196 Year of Publishing 2003
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