Photochemical vapor generation of selenium: Mechanisms and applications |
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| Institution: | 1. State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, PR China;2. Department of Chemistry and the MOE Key Lab of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, PR China;3. College of the Environment and Ecology, Xiamen University, Xiamen, PR China |
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| Abstract: | Selenium was the first reported element that could be converted into its volatile compounds via photochemical vapor generation (photo-CVG) process before its atomic spectrometric detection. Photo-CVG is a newly emerging vapor generation technique, offering its inherent advantages of matrix interferences eliminated and high vapor efficiency etc., photo-CVG has been combined with various methods for selenium determination and mechanism exploration. Herein, we summarize the development of selenium in photo-CVG from the first report in 2003, the mechanisms of selenium with or without TiO2 were discussed and its applications for selenium determination, speciation analysis and prereduction were summarized. |
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| Keywords: | Photochemical vapor generation Selenium Mechanism Analytical atomic spectrometry Photocatalysts |
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