期刊
EUROPEAN JOURNAL OF MASS SPECTROMETRY
卷 16, 期 5, 页码 557-565出版社
IM PUBLICATIONS
DOI: 10.1255/ejms.1098
关键词
cylindrical ion trap; ion trajectory simulations; high pressure; diffusion
We present the simulation of a cylindrical ion trap (CIT) at high pressure (5-25 Torr range). SIMION 7.0 software was used for the simulations. The effect of pressure, RF frequency and trap dimensions has been investigated. The shape of stability diagrams at non-zero pressure is drastically different from the one observed in vacuum. Preliminary experimental results are shown, using a r=z=3 mm-long CIT at 12 Torr for trapping peptide and protein ions.
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