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Apparatus for simultaneous detection of positive and negative ions in ion mobility spectrometry
Apparatus for simultaneous detection of positive and negative ions in ion mobility spectrometry
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机译:在离子迁移谱仪中同时检测正负离子的装置
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摘要
An ion mobility detector has dual drift regions respectively on either side of a centrally located reaction region and respectively separated therefrom by dual shutter grids. Each drift region terminates in a Faraday cup. An ion accelerating electrical field gradient is provided between the Faraday cups so that negative ions are drawn into one drift region and positively charged ions are drawn into the other drift region.
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