A combined mass gate-energy discriminator

Israela Becker; Ori Cheshnovsky

doi:10.1063/1.1148446

A combined mass gate-energy discriminator

Israela Becker^*, Ori Cheshnovsky

^*Corresponding author for this work

School of Chemistry

Tel Aviv University

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

A mass gate allows transmitting a selected mass in a time-of-flight mass spectrometer and to block other masses. The conventional stopping-potential mass gate does not discriminate against spontaneous fragments, which are generated in the drift tube. We present a simple improved version of a mass gate, which discriminates against fragments by using the fact that their kinetic energy is lower than that of the parent ion.

Original language	English
Pages (from-to)	4625-4626
Number of pages	2
Journal	Review of Scientific Instruments
Volume	68
Issue number	12
DOIs	https://doi.org/10.1063/1.1148446
State	Published - Dec 1997

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abstract = "A mass gate allows transmitting a selected mass in a time-of-flight mass spectrometer and to block other masses. The conventional stopping-potential mass gate does not discriminate against spontaneous fragments, which are generated in the drift tube. We present a simple improved version of a mass gate, which discriminates against fragments by using the fact that their kinetic energy is lower than that of the parent ion.",

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AB - A mass gate allows transmitting a selected mass in a time-of-flight mass spectrometer and to block other masses. The conventional stopping-potential mass gate does not discriminate against spontaneous fragments, which are generated in the drift tube. We present a simple improved version of a mass gate, which discriminates against fragments by using the fact that their kinetic energy is lower than that of the parent ion.

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A combined mass gate-energy discriminator

Abstract

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