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Solid-contact lead(II) ion-selective electrodes for potentiometric determination of lead(II) in presence of high concentrations of Na(I), Cu(II), Cd(II), Zn(II), Ca(II) and Mg(II)
Abstrakt
Lead and its compounds are a serious threat to the environment. Monitoring of this toxic heavy metal is a driving force for the continuous development of novel lead(II) ionophores to be applied in ion-selective electrodes. In this work a highly selective lead(II) ionophore, namely 25,26,27,28-tetrakis(piperidinylthiocarbonylmethylene)-p-tert-butylcalix[4]arene, was used in solid-contact ion-selective electrodes for determination of Pb(II) at high concentrations of interfering ions, such as Na(I), Cu(II), Cd(II), Zn(II), Mg(II) and Ca(II). The potentiometric response of ionophore-based Pb(II)-ISEs was compared to that of a solid-state crystalline Pb(II)-ISE for Na+, Cu2+, Cd2+ and Zn2+. Determination of lead(II) by ion-selective electrodes was compared to measurements done by atomic absorption spectroscopy. Comparable concentrations of lead were obtained by both techniques, which indicate the possibility to apply such ion-selective electrodes for monitoring of lead in e.g. Zn–Pb mines where the concentration of zinc may be high compared to lead.
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Autorzy (6)
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Marcin Guziński
- The University of Memphis Department of Biomedical Engineering, 330 Engineering Technology
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Grzegorz Lisak
- Åbo Akademii University Laboratory of Analytical Chemistry, Process Chemistry Centre
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Johan Bobacka
- Åbo Akademii University Laboratory of Analytical Chemistry, Process Chemistry Centre
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
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SENSORS AND ACTUATORS B-CHEMICAL
nr 218,
strony 25 - 30,
ISSN: 0925-4005 - Język:
- angielski
- Rok wydania:
- 2015
- Opis bibliograficzny:
- Jasiński A., Guziński M., Lisak G., Bobacka J., Bocheńska M.: Solid-contact lead(II) ion-selective electrodes for potentiometric determination of lead(II) in presence of high concentrations of Na(I), Cu(II), Cd(II), Zn(II), Ca(II) and Mg(II)// SENSORS AND ACTUATORS B-CHEMICAL. -Vol. 218, (2015), s.25-30
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.snb.2015.04.089
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 238 razy
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