Improvements in ion-trap chemical-ionization performance

Improvements in ion-trap chemical-ionization performance

Ion‐trap chemical‐ionization performance has been imporved by application of a modified scan function for the rejection of the undesired electron‐ionization‐like (EI‐like) ions formed at the beginning of the reaction ionization period. The net effect of this software modification to the automatic re...

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Veröffentlicht in:Rapid communications in mass spectrometry 1992-07, Vol.6 (7), p.449-453
Hauptverfasser: Cairns, Thomas, Chiu, Kin S., Siegmund, Emil, Weber, Michael
Format: Artikel
Sprache:eng
Schlagworte:
Chemistry
Exact sciences and technology
Ions
Mass spectrometry
Organic chemistry
Pesticides - analysis
Reactivity and mechanisms
Spectrum Analysis - methods
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container_end_page 453
container_issue 7
container_start_page 449
container_title Rapid communications in mass spectrometry
container_volume 6
creator Cairns, Thomas
Chiu, Kin S.
Siegmund, Emil
Weber, Michael
description Ion‐trap chemical‐ionization performance has been imporved by application of a modified scan function for the rejection of the undesired electron‐ionization‐like (EI‐like) ions formed at the beginning of the reaction ionization period. The net effect of this software modification to the automatic reaction control is to produce chemical ionization (CI) spectra that are no longer adulterated with conventration‐dependent EI‐like ions. Under such improved conditions, CI spectra from an ion trap can now be dirctly compared with CI spectra produced on conventional quardrupole and magnet‐scanning instruments.
doi_str_mv 10.1002/rcm.1290060709
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subjects Chemistry
Exact sciences and technology
Ions
Mass spectrometry
Organic chemistry
Pesticides - analysis
Reactivity and mechanisms
Spectrum Analysis - methods
title Improvements in ion-trap chemical-ionization performance
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