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Pregled bibliografske jedinice broj: 522860

Časopis

Autori: Brinić, Slobodan; Buzuk, Marijo; Bralić, Marija; Generalić, Eni
Naslov: Solid-contact Cu(II) ion-selective electrode based on 1, 2 di (o salicylaldiminophenylthio)ethane
Izvornik: Journal of solid state electrochemistry (1432-8488) 16 (2012), 4; 1333-1341
Vrsta rada: članak
Ključne riječi: Cu(II) • ISE; Solid-contact; Potentiometry; Impedance; Carbon ink
Sažetak:
The development of Cu(II) solid-contact ion-selective electrodes (SC-ISE), based on 1, 2 di (o salicylaldiminophenylthio)ethane, SAPhTE, as a neutral carrier, is presented. For the electrodes construction, unmodified carbon ink (type 1electrode) and polymer membrane modified carbon ink (type 2 electrode) were used as solid support and transducer layer. Also, carbon ink composite polymer-membrane electrode (type 3 electrode) was prepared. The analytical performance of the electrodes was evaluated with potentiometry, while bulk and interfacial electrode features were provided with electrochemical impedance spectroscopy (EIS). It is shown that modification of carbon ink with polymer membrane cocktail decreases bulk-contact resistance of the transducer layer and polymer membrane, thus enhancing the analytical performance of the electrode in terms of sensitivity, linear range and stability of potential. The optimized electrodes of type 2 and type 3 exhibit a wide linear range with detection limits of 1.8 × 10-6 M and 1.6 × 10-6 M, respectively. They are suitable for determination of Cu2+ in analytical measurements by direct potentiometry and in potentiometric titrations, within pH between 2.3 and 6.5. The electrodes are selective for Cu2+ over a large number of tested transition and heavy metal ions.
Izvorni jezik: ENG
Rad je indeksiran u
bazama podataka:
Current Contents Connect (CCC)
Scopus
SCI-EXP, SSCI i/ili A&HCI
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Kategorija: Znanstveni
Znanstvena područja:
Kemija
URL Internet adrese: http://www.springerlink.com/content/l6l2403243364322/
Broj citata:
Altmetric:
DOI: 10.1007/s10008-011-1528-z
URL cjelovitog teksta:
Google Scholar: Solid-contact Cu(II) ion-selective electrode based on 1, 2 di (o salicylaldiminophenylthio)ethane
Upisao u CROSBI: buzuk@ktf-split.hr (buzuk@ktf-split.hr), 22. Kol. 2011. u 08:54 sati



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