Quadrupole mass filter acceptance in stability island created by double-frequency quadrupole excitation

被引：1

作者：

Konenkov, N. V. ^{[1
]}

Korzhavchikov, M. A. ^{[1
]}

Stepanov, V. A. ^{[1
]}

Trunina, O. E. ^{[2
]}

机构：

[1] Ryazan State Univ, Dept Phys & Math, Ryazan, Russia

[2] Moscow Polytech Univ, Ryazan Inst Branch, Ryazan, Russia

来源：

EUROPEAN JOURNAL OF MASS SPECTROMETRY | 2018年 / 24卷 / 04期

关键词：

Quadrupole mass filter; stability islands; residence time; high resolution; quadrupole excitation; acceptance; RESOLUTION; OPERATION;

D O I：

10.1177/1469066718760164

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

Increase in quadrupole mass filter resolution at separation in narrow band stability island (X-band) formed by biharmonic resonance excitation of ion oscillation is discussed. X-band and the normal working quadrupole mass filter modes are compared at theoretical resolution of 10,000 and different separation times. Transmission curves, acceptance ellipses parameters, and acceptance characteristics are obtained by numerical simulation. Transmission coefficients are approximately the same in both modes. Dependence of acceptance ellipses parameters on ion inlet phases has a complicated oscillating form in the X-band mode. Acceptance contours calculated for given transition levels have been compared. At low acceptance level, the combined acceptance in the X-band mode was found to be one order of magnitude higher than in the normal mode.

引用

页码：315 / 321

页数：7

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