Ion Mobility Spectrometry
Ion Mobility Spectrometry
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DOI：
10.1002/9781119122357.ch14
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发表时间：
2008-03
期刊：
影响因子：
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通讯作者：
Джонатан Ричард Аткинсон
中科院分区：
文献类型：
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作者：
Джонатан Ричард Аткинсон
1.一种具有漂移区（20）和反应区（5）的离子迁移谱仪，其特征在于，其被布置成在不掺杂漂移区（20）的情况下掺杂反应区（5），并且包括至少两种工作选择性改性剂，（30和31）的离子，使得它们中的至少一个在工作时去除掺杂离子的加合物。! 2.根据权利要求1所述的光谱仪，其特征在于，所述离子改性器（30、31）中的至少一个适于产生足够强以使离子碎裂的电场。! 3.根据权利要求1所述的质谱仪，其特征在于，所述离子改性器中的至少一个被配置为将温度增加到足以使离子碎裂的水平。! 4.根据权利要求1至3中任一项所述的光谱仪，其特征在于，所述光谱仪包括通道（32），所述通道（32）用于使经过滤的气体流过所述漂移区（20）以从所述漂移区（20）去除任何掺杂剂。! 5.根据权利要求1至3中任一项所述的光谱仪，其特征在于，所述光谱仪包括电路（8），所述电路（8）用于将合金掺杂剂蒸气供应到靠近所述漂移区（20）的所述反应区（5），并且在所述反应区（5）的与从所述漂移区（20）出来的掺杂剂相对的端部处去除所述掺杂剂蒸气。! 6.根据权利要求1-3中任一项所述的光谱仪，其特征在于，所述光谱仪包括位于所述反应区（5）和所述漂移区（20）之间的静电门（21）。! 7.根据权利要求1-3中任一项所述的光谱仪，其特征在于，所述光谱仪适于响应于所检测的离子的浓度来控制离子的改性剂（30，31
1. An ion mobility spectrometer having a drift region (20) and the reaction region (5), characterized in that it is arranged to dope the reaction region (5) reaction without doping the drift region (20) and comprises at least two working selectively modifier (30 and 31) of ions arranged one after another along the trajectory of ions such that at least one of them when working removes the adducts of doping ions. ! 2. A spectrometer according to claim 1, characterized in that at least one of the modifiers (30, 31) of ions is adapted to generate an electric field sufficiently strong to fragment ions. ! 3. A spectrometer according to claim 1, characterized in that at least one of the ion modifiers is configured to increase the temperature to a level sufficient to fragment ions. ! 4. Spectrometer according to any one of claims 1-3, characterized in that it comprises a channel (32) for flow of filtered gas through the drift region (20) to remove therefrom any dopant. ! 5. Spectrometer according to any one of claims 1-3, characterized in that it comprises a circuit (8) for supplying alloying dopant vapor to the reaction region (5) close to the drift region (20) and removal of the dopant vapor at the opposite end of the reaction region (5) to a dopant coming out of the drift region (20). ! 6. Spectrometer according to any one of claims 1-3, characterized in that it comprises an electrostatic gate (21) situated between the reaction region (5) and the drift region (20). ! 7. Spectrometer according to any one of claims 1-3, characterized in that it is adapted to control the modifiers (30, 31) of ions in response to the detected