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Volume 18
Issue 5
10.3390/s18051407
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Article

Fast Potentiometric Analysis of Lead in Aqueous Medium under Competitive Conditions Using an Acridono-Crown Ether Neutral Ionophore

by
Ádám Golcs
1,
Viola Horváth
2,
Péter Huszthy
1 and
Tünde Tóth
1,3,*
1
Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, P.O. Box 91, H-1521 Budapest, Hungary
2
MTA-BME Computation Driven Chemistry Research Group, P.O. Box 91, H-1521 Budapest, Hungary
3
Institute for Energy Security and Environmental Safety, Centre for Energy Research, Hungarian Academy of Sciences, P.O. Box 49, H-1525 Budapest, Hungary
*
Author to whom correspondence should be addressed.
Sensors 2018, 18(5), 1407; https://doi.org/10.3390/s18051407
Submission received: 28 March 2018 / Revised: 24 April 2018 / Accepted: 27 April 2018 / Published: 3 May 2018
(This article belongs to the Section Chemical Sensors)
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Abstract

Lead is a particularly toxic heavy metal that is present above acceptable levels in the water of many countries. This article describes a quick detection method of lead(II) ions using a polyvinyl chloride (PVC)-based ion-selective membrane electrode containing an acridono-crown ether ionophore by potentiometry. The electrochemical cell exhibits a Nernstian response for lead(II) ions between the concentration range of 10−4 to 10−2 M, and can be used in the pH range of 4–7. The applicability of this sensor was verified by measuring a multicomponent aqueous sample. Under the given conditions, this electrode is suitable for the selective quantitative analysis of lead(II) ions in the presence of many additional metal ions.
Keywords: electrochemical sensor; lead detection; crown ether; molecular recognition; ion-selective membrane electrochemical sensor; lead detection; crown ether; molecular recognition; ion-selective membrane

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MDPI and ACS Style

Golcs, Á.; Horváth, V.; Huszthy, P.; Tóth, T. Fast Potentiometric Analysis of Lead in Aqueous Medium under Competitive Conditions Using an Acridono-Crown Ether Neutral Ionophore. Sensors 2018, 18, 1407. https://doi.org/10.3390/s18051407

AMA Style

Golcs Á, Horváth V, Huszthy P, Tóth T. Fast Potentiometric Analysis of Lead in Aqueous Medium under Competitive Conditions Using an Acridono-Crown Ether Neutral Ionophore. Sensors. 2018; 18(5):1407. https://doi.org/10.3390/s18051407

Chicago/Turabian Style

Golcs, Ádám, Viola Horváth, Péter Huszthy, and Tünde Tóth. 2018. "Fast Potentiometric Analysis of Lead in Aqueous Medium under Competitive Conditions Using an Acridono-Crown Ether Neutral Ionophore" Sensors 18, no. 5: 1407. https://doi.org/10.3390/s18051407

APA Style

Golcs, Á., Horváth, V., Huszthy, P., & Tóth, T. (2018). Fast Potentiometric Analysis of Lead in Aqueous Medium under Competitive Conditions Using an Acridono-Crown Ether Neutral Ionophore. Sensors, 18(5), 1407. https://doi.org/10.3390/s18051407

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