Colorimetric Readout Based Photoionization Detector for Gas Chromatographs

被引：0

作者：

Mao, Jingqin ^{[1
]}

Liu, Longze ^{[1
]}

Atwa, Yahya ^{[1
]}

Hou, Junming ^{[2
]}

Shakeel, Hamza ^{[1
]}

机构：

[1] Queens Univ Belfast, Sch Elect Elect Engn & Comp Sci, Belfast BT7 1NN, North Ireland

[2] Southeast Univ, Sch Informat Sci & Engn, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China

来源：

IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING | 2024年 / 19卷 / 05期

关键词：

photoionization detector; dielectric barrier discharge plasma; volatile organic compound; image processing; DIELECTRIC BARRIER DISCHARGE; EMISSION; COLUMN;

D O I：

10.1002/tee.24041

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a new scheme for readout of a photoionization detector (PID) that utilizes the ionization luminescence of target gases in helium plasma to generate an output signal. Our signal readout method is based on processing the recorded video and correlating the light peak intensity with the sample injection time and concentration. We successfully demonstrated the feasibility of a colorimetric readout-based photoionization detector coupled with a gas chromatography column by detecting a mixture of non-polar compounds (alkanes) and two polar compounds (acetone and ethanol). The detection limit for our first-generation device was calculated to be similar to 118 ng for acetone and around 26 ng for ethanol. (c) 2024 Institute of Electrical Engineer of Japan and Wiley Periodicals LLC.

引用

页码：845 / 851

页数：7

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