Exchange Reactions in the Ion Source of a Mass Spectrometer

Author: Cichorz, Roger S.

Source: Applied Spectroscopy, Volume 26, Issue 1, Pages 1-113 (January/February 1972) , pp. 104-105(2)

Publisher: Society for Applied Spectroscopy

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Exchange reactions occurred in the ion source of a mass spectrometer during direct solid probe analyses of samples of tetra (cyclopentadienyl) uranium (IV) [UCp4, where Cp=C5H5, the cyclopentadieny lligand]. Tris(cyclopentadienyl) uranium (IV) fluoride, UCp3F, was formed according to the reaction UCp4 + MF → UCp3F + MCp. This mass spectrometer exchange phenomenon is the first reported for an actinide organometallic compound, although mass spectrometer ion-source exchange reactions between lanthanide chelates and alkali metal chelates have been observed previously.

Keywords: Exchange reactions; Mass spectroscopy—general; Uranium compounds

Document Type: Short Communication


Affiliations: Mass Spectrometry Laboratory, The Dow Chemical Company, Rocky Flats Division, Golden, Colorado 80401

Publication date: January 1, 1972

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