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SYSTEM AND METHOD OF DELICATE MEMBRANE CONDENSED PHASE MEMBRANE INTRODUCTION MASS SPECTROMETRY (CP-MIMS)
SYSTEM AND METHOD OF DELICATE MEMBRANE CONDENSED PHASE MEMBRANE INTRODUCTION MASS SPECTROMETRY (CP-MIMS)
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机译:膜浓缩相膜引入质谱法(CP-MIMS)的系统和方法
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摘要
Systems and methods for analyzing a sample comprising an analyte selected from a volatile organic compound, a semi-volatile organic compound, a non-volatile organic compound, a polar organic compound and a halogenated non-volatile organic compound are provided. The systems comprises an ionization source, a flow cell or an immersion probe with a delicate membrane, the flow cell or immersion probe for accepting the sample, and the delicate membrane interface in fluid communication with the ionization source and a mass spectrometer. The flow cell system further comprises a simultaneously matched pumping in and out delivery (SMPIOD) system for delivering an acceptor phase comprising the analyte from the delicate membrane interface to the mass spectrometer at a constant acceptor flow pressure and a constant acceptor flow rate.
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