VARYING THE RADIO-FREQUENCY - A NEW SCANNING-MODE FOR QUADRUPOLE ANALYZERS

Citation
B. Landais et al., VARYING THE RADIO-FREQUENCY - A NEW SCANNING-MODE FOR QUADRUPOLE ANALYZERS, Rapid communications in mass spectrometry, 12(6), 1998, pp. 302-306
Citations number
35
Categorie Soggetti
Spectroscopy,"Chemistry Analytical
ISSN journal
09514198
Volume
12
Issue
6
Year of publication
1998
Pages
302 - 306
Database
ISI
SICI code
0951-4198(1998)12:6<302:VTR-AN>2.0.ZU;2-H
Abstract
This paper describes a new scanning made for quadrupole mass spectrome ters. In accordance with the theoretical equations of ion motion in a quadrupolar field, an alternative method of scanning is possible varyi ng only the RF applied to the rods of the quadrupole, keeping constant the amplitude of the AC and DC potentials, First results are reported for a RF scanning range of 0.4-1.1 MHz and an AC amplitude of approxi mately 250 V. (C) 1998 John Whey & Sons, Ltd.