Electrochemical determination of uranyl ions using a self-assembled monolayer

Amit Becker, Haim Tobias, Daniel Mandler*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

40 Scopus citations

Abstract

Uranyl, UO22+, was electrochemically determined by a phosphate based self-assembled monolayer. A pretreated gold electrode with 2-mercatpoethanol was chemically modified by POCl3 or POBr 3 to obtain the surface phosphate active sites. The different stages were characterized by reflection-absorption Fourier transform-infrared (FT-IR) spectroscopy, capacity, and X-ray photoelectron spectroscopy (XPS). The electrochemical determination of UO22+ was accomplished, after preconcentration under open circuit potential, by square wave voltammetry.

Original languageAmerican English
Pages (from-to)8627-8631
Number of pages5
JournalAnalytical Chemistry
Volume81
Issue number20
DOIs
StatePublished - 15 Oct 2009

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