Electrochemical hydride generation as a sample-introduction technique in atomic spectrometry: fundamentals,interferences, and applications |
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Authors: | Francisco Laborda Eduardo Bolea Juan R Castillo |
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Institution: | (1) Group of Analytical Spectroscopy and Sensors (GEAS), Department of Analytical Chemistry, University of Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain |
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Abstract: | Electrochemical hydride generation (EC-HG) has been proposed as a valid alternative to chemical generation as a sample-introduction
technique in atomic spectrometry. In this review fundamental aspects of the technique are revised, including designs of electrolytic
cells, mechanisms of the generation process, and interferences caused by the presence of different species. Special attention
is paid to the role of the configuration of the cathodes and their materials on the efficiency of hydride generation and on
interferences from concomitant species. An overview of the application of EC-HG to the analysis of real samples is also given. |
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Keywords: | Electrochemical hydride generation Atomic spectrometry Interferences |
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