A miniature cylindrical quadrupole ion trap: Simulation and experiment

被引：126

作者：

Badman, ER ^{[1
]}

Johnson, RC ^{[1
]}

Plass, WR ^{[1
]}

Cooks, RG ^{[1
]}

机构：

[1] Purdue Univ, Dept Chem, W Lafayette, IN 47907 USA

来源：

ANALYTICAL CHEMISTRY | 1998年 / 70卷 / 23期

关键词：

D O I：

10.1021/ac980908w

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A cylindrical quadrupole ion trap (r(0) = 2.5 mm, z(0) = 2.88 mm, (similar to 1)/(64) of the volume of commercial hyperbolic ion traps) has been constructed, its geometry optimized, and its performance examined in the mass-selective instability scan mode. Spectra of ionized perfluorotributylamine and o-dichlorobenzene show a resolution (m/Delta m, 50% valley definition) of similar to 100. The instrument has been coupled to a membrane introduction system to test its applicability for on-line reaction monitoring and to determine detection limits. Simulations using the ion trap simulation program are used to explore the effects of geometry on performance and to validate the experimental results.

引用

页码：4896 / 4901

页数：6

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