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    • 9. 发明公开
    • MASS SPECTROMETER
    • 质谱分析仪
    • EP1864315A2
    • 2007-12-12
    • EP06726611.4
    • 2006-04-03
    • Micromass UK Limited
    • BATEMAN, Robert, Harold
    • H01J49/04
    • G01N30/724G01N2030/8447G01N2030/8868H01J49/004H01J49/04
    • A mass spectrometer is disclosed comprising a High Pressure Liquid Chromatography system (10) which is interfaced to a combustion chamber (16) and isotope ratio mass analyser (19) by means of an Electrospray Ionisation ion source (11) and a Field Asymmetric Ion Mobility Spectrometry device (13). Analyte and solvent molecules are ionised by the ion source (11). Desired analyte ions are substantially onwardly transmitted by the Field Asymmetric Ion Mobility Spectrometry device (13) to the combustion chamber (16) whereas undesired solvent ions are substantially attenuated by the Field Asymmetric Ion Mobility Spectrometry device (13).
    • 公开了一种包括高压液相色谱系统(10)的质谱仪,该系统通过电喷雾离子源(11)和场不对称离子迁移率(11)与燃烧室(16)和同位素比质量分析仪(19) 光谱测定装置(13)。 分析物和溶剂分子被离子源电离(11)。 期望的分析物离子通过场非对称离子迁移率光谱测定装置(13)基本上向前传送到燃烧室(16),而非现场溶剂离子基本上被场非对称离子迁移率光谱测定装置(13)衰减。