Trace vapor generator for Explosives and Narcotics (TV-Gen) release_payp7a6pifdhpmwqq2hu56eydq

by Braden Giordano, Lauryn E. DeGreeff, Michael Malito, Mark Hammond, Christopher Katilie, Matthew Mullen, Greg E. Collins, Susan L. Rose-Pehrsson

Published in Review of Scientific Instruments by AIP Publishing.

2020   Volume 91, Issue 8, p085112

Abstract

The Trace Vapor Generator for Explosives and Narcotics (TV-Gen) is a portable and compact instrument designed to deliver a continuous source of trace-level vapors and vapor mixtures. It provides a tool to assist in the independent validation and verification of new materials and sensors under development for the vapor detection of explosives and narcotics. The design was conceived for use with a broad range of analytes, detection systems, materials, and sensors and to switch easily between the clean and analyte vapor streams. The TV-Gen system utilizes nebulization of aqueous analyte solutions, an oven to promote efficient transport, and a control box that provides dedicated computer control with logging capabilities. Resultant vapor streams are stable over several hours, with the vapor concentration controlled by a combination of aqueous analyte solution concentration, liquid flow rate through the nebulizer, and volume flow rate of air through the TV-Gen manifold.
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Type  article-journal
Stage   published
Date   2020-08-01
Language   en ?
DOI  10.1063/1.5142385
PubMed  32872913
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ISSN-L:  0034-6748
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