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Eur. J. Mass Spectrom. DOI: 10.1255/ejms.649

Low pressure chemical ionization in ion trap mass spectrometry

Stéphane Bouchonnet,* Danielle Libong and Michel Sablier
Département de Chimie des Mécanismes Réactionnels, Ecole Polytechnique, route de Saclay, 91128 Palaiseau Cedex, France

ABSTRACT:
This article presents the specificities of low pressure chemical ionization in ion trap mass spectrometry. One main feature is the ability to perform chemical ionization with liquid reagents as readily as with "conventional" gases (methane, isobutane and ammonia). The reactivities and analytical applications of gas and liquid reagents are summarized from literature data and are compared when possible.

Keywords: ion trap mass spectrometry, chemical ionization, reagents

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