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Fast pushing time of flight mass spectrometer combined with restricted mass to charge ratio range delivery
Fast pushing time of flight mass spectrometer combined with restricted mass to charge ratio range delivery
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机译：飞行质谱仪快速推入时间结合有限的质荷比范围传递
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摘要
Ions having a restricted range of mass to charge ratios are transmitted to the acceleration region of a Time of Flight mass analyser. A control system applies a first extraction pulse to an acceleration electrode in order to accelerate a first group of ions into the time of flight region at a first time T1, wherein ions having the lowest mass to charge ratio in the first group of ions have a time of flight ΔT1min through the time of flight region and ions having the highest mass to charge ratio in the first group of ions have a time of flight ΔT1max through the time of flight region. The control system applies a second extraction pulse to the acceleration electrode at a subsequent second time T2, wherein ΔT1max−ΔT1min≦T2−T1ΔT1max.
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机译：质荷比范围受限的离子被传输到飞行时间质量分析器的加速区域。控制系统将第一提取脉冲施加到加速电极，以便在第一时间T 1 将第一组离子加速到飞行时间区域，其中离子具有最低的质荷比第一组离子中的离子在整个飞行时间范围内具有飞行时间ΔT 1 min ，并且在第一组离子中具有最高质荷比的离子具有整个飞行时间范围内的飞行时间ΔT 1 max 。控制系统在随后的第二时间T 2 向加速电极施加第二提取脉冲，其中ΔT 1 max-ΔT 1 min ≦T 2 -T 1 <ΔT 1 max 。
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