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Proceedings 2017, 1(4), 443; doi:10.3390/proceedings1040443

Electron Capture Detector with Non-Radioactive Electron Source

Department of Sensors and Measurement Technology, Institute of Electrical Engineering and Measurement Technology, Leibniz Universität Hannover, Appelstr. 9A, 30167 Hannover, Germany
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
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Published: 16 August 2017
(This article belongs to the Proceedings of Eurosensors 2017)
Download PDF [882 KB, uploaded 17 August 2017]

Abstract

Gas chromatographs equipped with electron capture detectors (ECD) are widely used for the analysis of electron affine substances. Achieving limits of detection in the low pptv-range, electron capture detectors are the most sensitive detectors available for such compounds. Based on their operating principle, they require free electrons at atmospheric pressure, which are usually generated by using a β--decay. However, the use of radioactive materials leads to regulatory restrictions regarding purchase, operation and disposal. Here, we present a new electron capture detector using a non-radioactive electron source, which is not subject to these limitations and offers further advantages such as adjustable and higher electron densities and energies.
Keywords: electron capture detector (ECD); gas chromatography; GC detector; non-radioactive electron source; non-radioactive ECD electron capture detector (ECD); gas chromatography; GC detector; non-radioactive electron source; non-radioactive ECD
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Bunert, E.; Kirk, A.T.; Oermann, J.; Zimmermann, S. Electron Capture Detector with Non-Radioactive Electron Source. Proceedings 2017, 1, 443.

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