| 载气流速对高场不对称波形离子迁移谱的影响 |
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| 引用本文： | 林丙涛,陈池来,孔德义,李庄,王焕钦,程玉鹏,王电令,梅涛.载气流速对高场不对称波形离子迁移谱的影响[J].分析化学,2010,38(7). |
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| 作者姓名： | 林丙涛 陈池来 孔德义 李庄 王焕钦 程玉鹏 王电令 梅涛 |
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| 作者单位： | 1. 中国科学院合肥智能机械研究所传感技术国家重点实验室,合肥,230031;中国科学技术大学自动化系,合肥,230027
2. 中国科学院合肥智能机械研究所传感技术国家重点实验室,合肥,230031 |
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| 基金项目： | 国家自然科学基金，863计划 |
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| 摘 要： | 载气流速是影响高场不对称波形离子迁移谱(FAIMS)的重要参数.以自制的高场不对称波形离子迁移谱仪为实验平台,在射频电场幅值3 kV/cm,频率500 kHz,占空比0.36的条件下,研究了载气流速对苯离子迁移谱谱峰强度和半峰宽的影响.实验结果表明: 载气流速为3.7 L/min时,苯样品的谱峰强度最大,仪器的灵敏度最高.随着载气流速的增加,谱峰半峰宽变宽,仪器的分辨率下降.载气流速为3 .0～3.7 L/min时仪器综合性能最佳.此结果对于控制迁移谱仪载气流速有重要的参考意义.
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| 关 键 词： | 高场不对称波形离子迁移谱 载气流速 |
Effect of Carrier Gas Flow Rate on High-Field Asymmetric Waveform Ion Mobility Spectrometry |
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| LIN Bing-Tao,CHEN Chi-Lai,KONG De-Yi,LI Zhuang,WANG Huan-Qin,CHENG Yu-Peng,WANG Dian-Ling,MEI Tao.Effect of Carrier Gas Flow Rate on High-Field Asymmetric Waveform Ion Mobility Spectrometry[J].Chinese Journal of Analytical Chemistry,2010,38(7). |
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| Authors: | LIN Bing-Tao CHEN Chi-Lai KONG De-Yi LI Zhuang WANG Huan-Qin CHENG Yu-Peng WANG Dian-Ling MEI Tao |
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| Institution: | LIN Bing-Tao1,2,CHEN Chi-Lai1,KONG De-Yi1,LI Zhuang 1,WANG Huan-Qin1,CHENG Yu-Peng1,WANG Dian-Ling1,MEI Tao1 1(Institute of Intelligent Machines,Chinese Academy of Sciences,State Key Laboratory of Transducer Technology,Hefei 230031) 2(Department of Automation,University of Science and Technology of China,Hefei 230027) |
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| Abstract: | Carrier gas flow rate is a key parameter that significantly affects the high-field asymmetric waveform ion mobility spectrometry.The effect of carrier gas flow rate on the benzene spectral peak intensity and peak width at half maximum has been investigated on the homemade high-field asymmetric waveform ion mobility spectrometer under the conditions of radio frequency electric field magnitude 30000 V/cm,frequency 500 kHz and dutyfactor 0.36.The experiment results showed that the flow rate at 3.67 L/min provi... |
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| Keywords: | High-field asymmetric waveform ion mobility spectrometry Carrier gas flow rate |
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