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Proceedings 2017, 1(4), 440; doi:10.3390/proceedings1040440

Detection of Mercury Vapor in Air by Differential Heat Dissipation Measurements

Department of Sensors and Measurement Technology, Institute of Electrical Engineering and Measurement Technology, Leibniz Universität Hannover, Hanover, Germany
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
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Published: 16 August 2017
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Abstract

In this work, a novel approach for the detection of mercury vapor in air is presented using differential heat dissipation measurements. Therefore, the temperature difference between an amalgamated and a non-exposed gold film is recorded, while heating both films with identical electrical power. As the amalgam layer lowers the heat dissipation, the amalgamated gold film reaches higher temperatures compared to the non-exposed gold film. Preliminary experiments show a clear dependence of the measured temperature difference on the mercury vapor concentration and the exposition time. Thus, a detection of mercury vapor is generally possible using differential heat dissipation measurements.
Keywords: mercury vapor sensor; differential heat dissipation measurements; amalgamation mercury vapor sensor; differential heat dissipation measurements; amalgamation
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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Allers, M.; Reinecke, T.; Zimmermann, S. Detection of Mercury Vapor in Air by Differential Heat Dissipation Measurements. Proceedings 2017, 1, 440.

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