| 激光电离源的研制及其与台式飞行时间质谱仪联用 |
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| 引用本文： | 叶启亮, 胡帆, 郭长娟, 钟伟填, 李磊, 黄正旭, 程平, 周振. 激光电离源的研制及其与台式飞行时间质谱仪联用[J]. 华南师范大学学报（自然科学版）, 2015, 47(1): 60-64. DOI: 10.6054/j.jscnun.2014.06.007 |
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| 作者姓名： | 叶启亮 胡帆 郭长娟 钟伟填 李磊 黄正旭 程平 周振 |
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| 作者单位： | 1.(1.华南师范大学化学与环境学院,广州 510006 |
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| 基金项目： | 国家自然科学基金项目(21105031)；国家重大科学仪器设备开发专项 |
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| 摘 要： | 研制激光电离源并与自制飞行时间质谱仪联用. 应用紫铜样品，优化了离子源真空度、激光参数、样品靶相对接口参数及接口射频电压参数等. 对不锈钢样品和铝片样品进行了检测，结果表明，仪器半峰分辨为3 000，灵敏度较好，检测速度较快，可实现单秒采谱.
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| 关 键 词： | 激光电离(LI) 飞行时间质谱仪(TOFMS) 研制 |
| 收稿时间： | 2014-04-04 |
Design of a Laser Ionization Source and Its Application on Desktop Time-of-Flight Mass Spectrometer |
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| Ye Qiliang, Hu Fan, Guo Changjuan, Zhong Weitian, Li Lei, Huang Zhengxu, Cheng Ping, Zhou Zhen. Design of a Laser Ionization Source and Its Application on Desktop Time of Flight Mass Spectrometer[J]. Journal of South China Normal University (Natural Science Edition), 2015, 47(1): 60-64. DOI: 10.6054/j.jscnun.2014.06.007 |
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| Authors: | Ye Qiliang Hu Fan Guo Changjuan Zhong Weitian Li Lei Huang Zhengxu Cheng Ping Zhou Zhen |
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| Affiliation: | 1.1.School of Chemistry and Environment,South China Normal University,Guangzhou 510006,China;2.2.Institute of Environmental Pollution and Health,School of Environmental and Chemical Engineering,Shanghai University,Shanghai 200072,China;3.3.Guangzhou Key Laboratory of Materials for Energy Conversion and Storage,Guangzhou 510006,China; |
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| Abstract: | A laser ionization source was developed, and connected to a time of flight mass spectrometer (TOFMS). By using copper samples, we optimize operating parameters including ion source vacuum, laser intensity, sample target, interface, and radio frequency of the interface. After optimization, stainless steel and aluminum samples were tested. The results show that the resolution of instrument (full width of half maximum) is 3 000. The instrument has good sensitivity and fast detection speed, and can get a spectrum in one second. |
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| Keywords: | laser ionization ( LI) time-of-flight mass spectrometer ( TOFMS) development |
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