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Title: Miniaturized Explosive Preconcentrator for Use in a Man-Portable Field Detection System

Abstract

We discuss the design and testing of a miniaturized explosives preconcentrator that can be used to enhance the capabilities of man-portable field detection systems, such as those based on ion mobility spectrometry (IMS). The preconcentrator is a smaller version of a similar device that was developed recently at Sandia National Laboratories for use in a trace detection portal that screens personnel for explosives. Like its predecessor, this preconcentrator is basically a filtering device that allows a small amount of explosive residue in a large incoming airflow to be concentrated into a much smaller air volume via adsorption and resorption, prior to delivery into a chemical detector. We discuss laboratory testing of this preconcentrator interfaced to a commercially available IMS-based detection system, with emphasis on the explosives 2,4,6-trinitrotoluene (TNT) and cyclotrimethylenetrinitramine (RDX). The issues investigated include optimization of the preconcentrator volume and inlet airflow, the use of different types of adsorbing surfaces within the preconcentrator, Wd preconcentrator efficiency and concentration factor. We discuss potential field applications of the preconcentrator, as well as avenues for further investigations and improvements.

Authors:
; ; ; ;
Publication Date:
Research Org.:
Sandia National Labs., Albuquerque, NM (US); Sandia National Labs., Livermore, CA (US)
Sponsoring Org.:
US Department of Energy (US)
OSTI Identifier:
9686
Report Number(s):
SAND99-2000C
TRN: AH200125%%6
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Conference
Resource Relation:
Conference: International Nuclear Materials Management, Phoenix, AZ (US), 07/25/1999--07/29/1999; Other Information: PBD: 2 Aug 1999
Country of Publication:
United States
Language:
English
Subject:
45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE; 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; CONCENTRATORS; MINIATURIZATION; PORTABLE EQUIPMENT; DESIGN; PERFORMANCE TESTING; ADSORPTION; DETECTION; CHEMICAL EXPLOSIVES; TNT

Citation Formats

Hannum, David W., Linker, Kevin L., Parmeter, John E., Rhykerd, Charles L., and Varley, Nathan R. Miniaturized Explosive Preconcentrator for Use in a Man-Portable Field Detection System. United States: N. p., 1999. Web.
Hannum, David W., Linker, Kevin L., Parmeter, John E., Rhykerd, Charles L., & Varley, Nathan R. Miniaturized Explosive Preconcentrator for Use in a Man-Portable Field Detection System. United States.
Hannum, David W., Linker, Kevin L., Parmeter, John E., Rhykerd, Charles L., and Varley, Nathan R. Mon . "Miniaturized Explosive Preconcentrator for Use in a Man-Portable Field Detection System". United States. https://www.osti.gov/servlets/purl/9686.
@article{osti_9686,
title = {Miniaturized Explosive Preconcentrator for Use in a Man-Portable Field Detection System},
author = {Hannum, David W. and Linker, Kevin L. and Parmeter, John E. and Rhykerd, Charles L. and Varley, Nathan R.},
abstractNote = {We discuss the design and testing of a miniaturized explosives preconcentrator that can be used to enhance the capabilities of man-portable field detection systems, such as those based on ion mobility spectrometry (IMS). The preconcentrator is a smaller version of a similar device that was developed recently at Sandia National Laboratories for use in a trace detection portal that screens personnel for explosives. Like its predecessor, this preconcentrator is basically a filtering device that allows a small amount of explosive residue in a large incoming airflow to be concentrated into a much smaller air volume via adsorption and resorption, prior to delivery into a chemical detector. We discuss laboratory testing of this preconcentrator interfaced to a commercially available IMS-based detection system, with emphasis on the explosives 2,4,6-trinitrotoluene (TNT) and cyclotrimethylenetrinitramine (RDX). The issues investigated include optimization of the preconcentrator volume and inlet airflow, the use of different types of adsorbing surfaces within the preconcentrator, Wd preconcentrator efficiency and concentration factor. We discuss potential field applications of the preconcentrator, as well as avenues for further investigations and improvements.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1999},
month = {8}
}

Conference:
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