A chemical vapor detector/monitor you can hold in the palm of your hand: A miniature Ion Mobility Spectrometer
Conference
·
OSTI ID:613788
- U.S. Army Edgewood Research, Aberdeen Proving Ground, MD (United States); and others
Ion Mobility Spectrometry (IMS) has progressed over the past 30 years from a laboratory curiosity to laboratory instrumentation to hand-held chemical vapor detectors or monitors. The main advantages of an IMS device are that it will operate at atmospheric pressure, it offers low picogram limits of detection because of efficient atmospheric pressure chemical ionization processes, it is relatively compact, it uses relatively little electrical power, and its selectivity can be governed by chemical control of ion-molecule reactions. A hand-held version of IMS-based equipment is a part of the chemical defense equipment inventories in most countries throughout the free world. That equipment weighs 2.2 kilograms. A prototype Miniature IMS device (Mini-FOS) weighs about 700 grams (including batteries) and will fit in the palm of a human hand. The current Mini-IMS device consumes about 1.5 watts of power on a continuous basis; future units will be designed to consume less than one watt.
- OSTI ID:
- 613788
- Report Number(s):
- CONF-970113--
- Country of Publication:
- United States
- Language:
- English
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