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Issue 7, 2020
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Portable photochemical vapor generation-microwave plasma optical emission spectrometer

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Abstract

A low power microwave plasma torch as an excitation source was combined with a photochemical vapor generator (PVG) and a miniaturized charge-coupled device to construct a portable optical emission spectrometer. The PVG facilitates sampling of liquid samples without a desolvation system and avoids extinguishing the plasma. At a radio frequency power of 150 W, for example, limits of detection between 1 and 50 ng mL−1 were achieved for Ni, Hg, Fe and Se. Therefore, it could be a promising technique for field analytical chemistry in areas such as environmental analysis or fast screening analysis.

Graphical abstract: Portable photochemical vapor generation-microwave plasma optical emission spectrometer

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Supplementary files

Article information


Submitted
13 Mar 2020
Accepted
29 Apr 2020
First published
29 Apr 2020

J. Anal. At. Spectrom., 2020,35, 1316-1319
Article type
Technical Note

Portable photochemical vapor generation-microwave plasma optical emission spectrometer

Y. Deng, W. Zeng, X. Jiang and X. Hou, J. Anal. At. Spectrom., 2020, 35, 1316
DOI: 10.1039/D0JA00104J

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