Journal
RAPID COMMUNICATIONS IN MASS SPECTROMETRY
Volume 26, Issue 3, Pages 263-268Publisher
WILEY
DOI: 10.1002/rcm.5314
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Funding
- FAPESP
- CNPq
- CAPES
- INOMAT
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The ability of travelling wave ion mobility mass spectrometry (TWIM-MS) to resolve cationic meta/para and cis/trans isomers of mono-, di-, tri- and tetra-ruthenated supramolecular porphyrins was investigated. All meta isomers were found to be more compact than the para isomers and therefore mixtures of all isomeric pairs could be properly resolved with baseline or close to baseline peak-to-peak resolution (Rp-p). Di-substituted cis/trans isomers were found, however, to present very similar drift times and could not be resolved. N-2 and CO2 were tested as the drift gas, and similar a but considerably better values of R-p and Rp-p were always observed for CO2. Copyright (C) 2012 John Wiley & Sons, Ltd.
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