2000
DOI: 10.1590/s0100-40422000000400014
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Testes de desempenho de eletrodos: eletrodos de referência

Abstract: Recebido em 2/9/98; aceito em 14/1/00 PERFORMANCE TESTS FOR ELECTRODES: REFERENCE ELETRODES. This paper is designed to divulge some tests found in books, articles and international technical standards, by means of which it is possible to evaluate the performance of reference electrode widely used in potentiometric and voltammetric methods. The reference potential (Eref), junction resistance (Rj), the ability of keeping up the potential when current is flowing (polarizability), and of generating junction potent… Show more

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Cited by 6 publications
(4 citation statements)
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References 9 publications
(13 reference statements)
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“…where j is an imaginary number, ½ is angular frequency, and T CPE and p are a parameter associated with the CPE element. Specifically, R LJ was determined to be ³2500 ³ and was therefore close to the values observed for the liquid junction parts of the commercial reference electrodes made from porous glass or ceramics (typically several thousand ³), 29 which implied that the printed silica gel liquid junction described herein is well suited for alternating-current measurements and should find diverse practical applications in the near future.…”
Section: Eis Measurementssupporting
confidence: 70%
“…where j is an imaginary number, ½ is angular frequency, and T CPE and p are a parameter associated with the CPE element. Specifically, R LJ was determined to be ³2500 ³ and was therefore close to the values observed for the liquid junction parts of the commercial reference electrodes made from porous glass or ceramics (typically several thousand ³), 29 which implied that the printed silica gel liquid junction described herein is well suited for alternating-current measurements and should find diverse practical applications in the near future.…”
Section: Eis Measurementssupporting
confidence: 70%
“…For example, da Silva and Araujo [3] have critically discussed the various tests in use for the evaluation of commercial REs, and suggested remedial procedures when the electrode fails. Despite recent innovation, there are relatively few REs designed for use in organic media, and there are no reports on any RE, which would be applicable in both aqueous media (including corrosive and biological) as well as in a variety of organic supporting electrolytes, without the need for preconditioning, and without severely contaminating the sample solution.…”
Section: Introductionmentioning
confidence: 99%
“…In the electrolytic cell of an electrodeposition process, the cathode is generally the working electrode, which will be coated during the procedure, whereas the anode is the counter-electrode. The third electrode is the reference electrode used to monitor the working electrode potential [30,[33][34][35].…”
Section: Electrochemical Codeposition Of MMC Coatingsmentioning
confidence: 99%