Purity testing of organometallic catalysts by micro liquid chromatography-electron ionization mass spectrometry View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

1999-10

AUTHORS

I. Bruheim, E. C. Fooladi, E. Lundanes, T. Greibrokk

ABSTRACT

A micro liquid chromatography-mass spectrometry system utilizing 100 μm i. d. packed capillary columns has been used for purity testing of organometallic catalysts. The total effluent, 1 μLmin−1 from the column, was introduced directly into the ion source of a bench-top quadrupole mass spectrometer and electron ionization mass spectra were acquired. In full scan mode a mass limit of detection of 10–15 ng was achieved for the organometallic compounds investigated. The catalysts dimethyl pentamethylcyclopentadienyl iridium dimethylsulphoxide (Cp*Ir(DMSO)Me2) and di(pentamethylcyclopentadienyl dichloro iridium) ((Cp*IrCl2)2) were purity tested and their electron ionization mass spectra recorded. Impurities present down to 1% of the main compound could be determined using large volume injection. More... »

PAGES

479-484

References to SciGraph publications

Journal

TITLE

Chromatographia

ISSUE

7-8

VOLUME

50

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf02490745

DOI

http://dx.doi.org/10.1007/bf02490745

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1012659871


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