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    • 4. 发明申请
    • MASS SPECTROMETER
    • 质谱仪
    • WO2006129094A3
    • 2008-03-06
    • PCT/GB2006001996
    • 2006-06-01
    • MICROMASS LTDBATEMAN ROBERT HAROLDBROWN JEFFERY MARKGREEN MARTINWILDGOOSE JASON LEE
    • BATEMAN ROBERT HAROLDBROWN JEFFERY MARKGREEN MARTINWILDGOOSE JASON LEE
    • H01J49/02G06F19/00H01J49/00
    • H01J49/0036
    • A method of mass spectrometry is disclosed wherein voltage signals from an ion detector are analysed. A second differential of each voltage signal is obtained and the start and end times of observed voltage peaks are determined. The intensity and average time of each voltage peak is then determined and the intensity and time values are stored. An intermediate composite mass spectrum is then formed by combining the intensity and time values which relate to each voltage peak observed from multiple experimental runs. The various pairs of time and intensity data are then integrated to produce a smooth continuum mass spectrum. The continuum mass spectrum may then be further processed by determining the second differential of the continuum mass spectrum. The start and end times of mass peaks observed in the continuum mass spectrum may be determined. The intensity and mass to charge ratio of each mass peak observed in the continuum mass spectrum may then determined. A final discrete mass spectrum comprising just of an intensity value and mass to charge ratio per species of ion may then be displayed or output.
    • 公开了一种质谱法,其中分析了来自离子检测器的电压信号。 获得每个电压信号的第二差分,并且确定观察到的电压峰值的开始和结束时间。 然后确定每个电压峰值的强度和平均时间,并存储强度和时间值。 然后通过组合与多个实验运行中观察到的每个电压峰值相关的强度和时间值来形成中间复合质谱。 然后将各种时间和强度数据对被整合以产生平滑的连续质谱。 然后可以通过确定连续质谱的第二差分来进一步处理连续质谱。 可以确定在连续质谱中观察到的质量峰的开始和结束时间。 然后可以确定在连续质谱中观察到的每个质量峰的强度和质荷比。 然后可以显示或输出包括仅每个离子种类的强度值和质荷比的最终离散质谱。