Notizen: Fast Pulsed Laser Induced Electron Generation for Electron Impact Mass Spectrometry

Author:

Rohwer E. R.12,Beavis R.C.13,Köster C.1,Lindner J.1,Grotemeyer J.1,Schlag E. W.1

Affiliation:

1. Institut für Physikalische und Theoretische Chemie, Technische Universität München. Garching, FRG

2. Permanent address: Institute for Chromatography, Uni­versity of Pretoria. Pretoria 0002, Republic of South Africa.

3. Permanent address: Department of Chemistry, Rocke­feller University. New York, USA.

Abstract

A new ultra fast electron impact (El) ion source is pre­sented that produces a very short, high intensity electron beam, allowing medium resolution mass spectra to be re­corded without pulsing the ion accelerating voltages in a time-of-flight mass spectrometer (TOF-MS). The ion source requires minimum modification of any TOF-MS equipped with an electrostatic ion reflector and UV-laser. El-spectra are presented for comparison with literature spectra.

Publisher

Walter de Gruyter GmbH

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy,Mathematical Physics

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