A small subsurface ion mobility spectrometer sensor for detecting environmental soil-gas contaminants
A small subsurface ion mobility spectrometer sensor for detecting environmental soil-gas contaminants
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DOI：
10.1039/b610493b
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发表时间：
2007-01-01
影响因子：
--
通讯作者：
Walters, Robert N.
中科院分区：
文献类型：
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作者：
Kanu, Abu B.;Hill, Herbert H., Jr.;Walters, Robert N.
构建了小型地下离子迁移谱仪 (SS-IMS)，并用多种环境污染物进行了测试，以确定其监测包气区气态挥发性有机化合物的潜力。首次在 IMS 中检测并分离三氯乙烯（TCE）和四氯乙烯（PCE）。观察到的检测限低至十亿分之一体积比 (ppb(v))。据报告，11 种环境污染物的迁移率 (K-0) 值降低。这些数据证明了离子淌度光谱法作为现场检测和分离环境土壤气体污染物的可行技术的潜力，这可能为污染土壤的长期监测提供一种实用且简单的方法。
A small subsurface ion mobility spectrometer (SS-IMS) was constructed and tested with several environmental contaminants to determine its potential for monitoring gaseous volatile organic compounds in the vadose zone. Trichloroethylene (TCE) and tetrachloroethylene (PCE) were detected and separated in IMS for the first time. Detection limits as low as 1 part per billion volume-to-volume (ppb(v)) were observed. Reduced mobility (K-0) values were reported for 11 environmental contaminants. These data demonstrated the potential of ion mobility spectrometry as a viable technology for detecting and separating environmental soil-gas contaminants in the field, which may lead to a practical and simple approach for long-term monitoring of contaminated soils.