Lab-on-valve in the miniaturization of analytical systems and sample processing for metal analysis |
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| Authors: | Yong-Liang Yu |
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| Institution: | Department of Chemistry, Northeastern University, Box 332, Shenyang 110819, China; Research Center for Analytical Sciences, Northeastern University, Box 332, Shenyang 110819, China |
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| Abstract: | In the past decade, the lab-on-valve (LOV) system, as the third-generation of the flow-injection analysis technique, has exhibited powerful capability in instrument miniaturization and on-line sample pretreatment.This review presents and discusses the state of the art in the progress of the LOV system in the determination of metal species in two parts:- •
- miniaturization of analytical instrumentations; and,
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- sample-processing front-ends.
As a miniaturized analytical set-up, LOV incorporates detection techniques for the determination of metal species (e.g., spectrophotometry, electrochemical detection and atomic spectrometry). However, coupling LOV sample pretreatment with atomic or mass spectrometric detectors provides high-sensitivity determination or speciation of metal species.We also discuss future perspectives of the LOV system in metal determination and/or speciation. |
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| Keywords: | Bead injection Flow-injection analysis Lab-on-valve Metal analysis Miniaturization Sample processing Speciation |
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