Effect of dopants on the analysis of pesticides by means of differential mobility spectrometry with atmospheric pressure photoionization
Effect of dopants on the analysis of pesticides by means of differential mobility spectrometry with atmospheric pressure photoionization
复制标题
常压光电离差分迁移光谱法分析掺杂剂对农药分析的影响
DOI：
10.1007/s12127-010-0043-8
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发表时间：
2010
影响因子：
--
通讯作者：
C. Weickhardt
中科院分区：
文献类型：
--
作者：
Sven Roetering;E. Nazarov;H. Borsdorf;C. Weickhardt
探讨了在常压光电离（APPI）离子源下采用掺杂剂提高差分迁移率光谱法（DMS）检测农药的可能性。描述了苯、苯甲醚和氯苯作为掺杂剂对光谱的灵敏度、检出限和峰位移的影响。对于典型的农药，可以确定将检测限提高两个数量级，而对于单个物质的峰移，没有观察到统一的行为。讨论了大气压光电离（APPI）过程的可能作用机制。
The chances to improve the detection of pesticides using differential mobility spectrometry (DMS) with an atmospheric pressure photoionization (APPI) ion source by means of dopants was investigated. The effect of employing benzene, anisole and chlorobenzene as dopants is described regarding sensitivity, limits of detection and peak displacements in the spectra. For typical pesticides an improvement of detection limits up to two orders of magnitude could be determined, while for the peak shift of individual substances no uniform behaviour was observed. Possible mechanisms of action in respect to atmospheric pressure photoionization (APPI) processes are discussed.
影响因子：
7.4
作者：
Schneider, Bradley B.;Covey, Thomas R.;Coy, Stephen L.;Krylov, Evgeny V.;Nazarov, Erkinjon G.
通讯作者：
Nazarov, Erkinjon G.
影响因子：
7.4
作者：
Zang, Tianzhu;Dai, Shujia;Chen, Dajun;Lee, Bobby W. K.;Liu, Suli;Karger, Barry L.;Zhou, Zhaohui Sunny
通讯作者：
Zhou, Zhaohui Sunny