单光子电离质谱法在线分析牙膏中的香精物质
在无需样品前处理的条件下,建立了直接进样单光子电离飞行时间质谱在线分析牙膏样品中香精物质的方法。本方法采用石英毛细管直接将样品导入质谱仪电离区,优化了电离区气压条件,并利用香精标准品的特征质谱信号对牙膏样品中香精成分进行了快速、准确鉴定,单个样品分析仅需0.5 min。将本方法应用于模拟刷牙过程中挥发性香精的在线、原位监测,考察了水含量对牙膏香精挥发过程的影响。结果表明,直接进样单光子电离飞行时间质谱法能够实时监控刷牙过程中挥发香精的成分与浓度,可以应用于其他样品如食品、化妆品中香精成分的分析。...
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| Published in | 分析化学 Vol. 40; no. 12; pp. 1883 - 1889 |
|---|---|
| Main Authors | , , , , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
中国科学院研究生院,北京100039%中国科学院大连化学物理研究所,大连,116023
2012
中国科学院大连化学物理研究所,大连116023 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 0253-3820 |
| DOI | 10.3724/SP.J.1096.2012.20542 |
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| Abstract | 在无需样品前处理的条件下,建立了直接进样单光子电离飞行时间质谱在线分析牙膏样品中香精物质的方法。本方法采用石英毛细管直接将样品导入质谱仪电离区,优化了电离区气压条件,并利用香精标准品的特征质谱信号对牙膏样品中香精成分进行了快速、准确鉴定,单个样品分析仅需0.5 min。将本方法应用于模拟刷牙过程中挥发性香精的在线、原位监测,考察了水含量对牙膏香精挥发过程的影响。结果表明,直接进样单光子电离飞行时间质谱法能够实时监控刷牙过程中挥发香精的成分与浓度,可以应用于其他样品如食品、化妆品中香精成分的分析。 |
|---|---|
| AbstractList | 在无需样品前处理的条件下,建立了直接进样单光子电离飞行时间质谱在线分析牙膏样品中香精物质的方法.本方法采用石英毛细管直接将样品导入质谱仪电离区,优化了电离区气压条件,并利用香精标准品的特征质谱信号对牙膏样品中香精成分进行了快速、准确鉴定,单个样品分析仅需0.5 min.将本方法应用于模拟刷牙过程中挥发性香精的在线、原位监测,考察了水含量对牙膏香精挥发过程的影响.结果表明,直接进样单光子电离飞行时间质谱法能够实时监控刷牙过程中挥发香精的成分与浓度,可以应用于其他样品如食品、化妆品中香精成分的分析. |
| Author | 侯可勇 李海洋 花磊 陈平 谢园园 崔华鹏 陈文东 李京华 赵无垛 |
| AuthorAffiliation | 中国科学院大连化学物理研究所,大连116023 中国科学院研究生院,北京100039 |
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| Author_FL | CUI Hua-Peng HUA Lei LI Hai-Yang CHEN Ping HOU Ke-Yong CHEN Wen-Dong ZHAO Wu-Duo LI Jing-Hua XIE Yuan-Yuan |
| Author_FL_xml | – sequence: 1 fullname: XIE Yuan-Yuan – sequence: 2 fullname: HUA Lei – sequence: 3 fullname: HOU Ke-Yong – sequence: 4 fullname: CHEN Ping – sequence: 5 fullname: CUI Hua-Peng – sequence: 6 fullname: ZHAO Wu-Duo – sequence: 7 fullname: CHEN Wen-Dong – sequence: 8 fullname: LI Jing-Hua – sequence: 9 fullname: LI Hai-Yang |
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| DOI | 10.3724/SP.J.1096.2012.20542 |
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| DocumentTitleAlternate | On-line Analysis of Flavor Compounds in Toothpastes by Single Photon Ionization Mass Spectrometry |
| DocumentTitle_FL | On-line Analysis of Flavor Compounds in Toothpastes by Single Photon Ionization Mass Spectrometry |
| EndPage | 1889 |
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| Keywords | 牙膏 香精物质 在线分析 在线飞行时间质谱 单光子电离 |
| Language | Chinese |
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| Notes | On-line analysis; Single photon ionization; On-line time-of-flight mass spectrometry; Toothpaste; Flavor compounds XIE Yuan-Yuan,HUA Lei,HOU Ke-Yong,CHEN Ping,CUI Hua-Peng, ZHAO Wu-Duo,CHEN Wen-Dong,LI Jing-Hua,LI Hai-Yang （Dalian Institute of Chemical Physics,Chinese Academy of Sciences,Dalian 116023,China） 2（Graduate School,Chinese Academy of Sciences,Beijing 10039,China） A new method was developed for the on-line analysis of flavor compounds in toothpastes without any sample preparation by direct injection time-of-flight mass spectrometry with single photon ionization（SPI-TOFMS）.The samples were directly taken into the ionization source by the quartz capillary tube and the pressure condition of the ionization source was optimized.Under the discrimination of characteristic mass spectra of flavor compounds,rapid and accurate identification of flavors in toothpastes was achieved.The analysis time for a single sample was only 0.5 min.This method was applied to on-line and in-situ monitoring of flavor compounds d |
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| Publisher | 中国科学院研究生院,北京100039%中国科学院大连化学物理研究所,大连,116023 中国科学院大连化学物理研究所,大连116023 |
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| Snippet | 在无需样品前处理的条件下,建立了直接进样单光子电离飞行时间质谱在线分析牙膏样品中香精物质的方法。本方法采用石英毛细管直接将样品导入质谱仪电离区,优化了电离区气压条件,并利用香精标准品的特征质谱信号对牙膏样品中香精成分进行了快速、准确鉴定,单个样品分析仅需0.5... 在无需样品前处理的条件下,建立了直接进样单光子电离飞行时间质谱在线分析牙膏样品中香精物质的方法.本方法采用石英毛细管直接将样品导入质谱仪电离区,优化了电离区气压条件,并利用香精标准品的特征质谱信号对牙膏样品中香精成分进行了快速、准确鉴定,单个样品分析仅需0.5... |
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| SubjectTerms | 单光子电离 在线分析 在线飞行时间质谱 牙膏 香精物质 |
| Title | 单光子电离质谱法在线分析牙膏中的香精物质 |
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