Microfabricated gas phase chemical analysis systems

G. Frye-Mason, R. Manginell, E. Heller, C. Matzke, S. Casalnuovo, V. Hietala, R. Kottenstette, P. Lewis, C. Wong
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引用次数: 16

Abstract

A portable, autonomous, hand-held chemical laboratory (/spl mu/ChemLab/sup TM/) is being developed for trace detection (ppb) of chemical warfare (CW) agents and explosives in real-world environments containing high concentrations of interfering compounds. Microfabrication is utilized to provide miniature, low-power components that are characterized by rapid, sensitive and selective response. Sensitivity and selectivity are enhanced using two parallel analysis channels, each containing the sequential connection of a front-end sample collector/concentrator, a gas chromatographic (GC) separator, and a surface acoustic wave (SAW) detector. Component design and fabrication and system performance are described.
微型气相化学分析系统
一种便携式、自主、手持式化学实验室(/spl mu/ChemLab/sup TM/)正在开发中,用于在含有高浓度干扰化合物的现实环境中对化学战(CW)试剂和爆炸物进行痕量检测(ppb)。微加工用于提供具有快速,敏感和选择性响应的微型,低功耗组件。灵敏度和选择性通过两个平行分析通道得到提高,每个通道包含前端样品收集器/浓缩器、气相色谱(GC)分离器和表面声波(SAW)检测器的顺序连接。介绍了部件的设计、制造和系统性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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