Title: Direct nano ESI time-of-flight Mass Spectrometric Investigations on Lanthanide BTP Complexes in the Extraction-relevant Diluent 1-octanol
Authors: STEPPERT M.WALTHER ClemensGEIST A.FANGHAENEL Thomas
Citation: NEW JOURNAL OF CHEMISTRY vol. 33 no. 12 p. 2437-2442
Publisher: ROYAL SOC CHEMISTRY
Publication Year: 2009
JRC N°: JRC56040
ISSN: 1144-0546
URI: http://www.rsc.org/Publishing/Journals/NJ/article.asp?doi=b9nj00371a
http://publications.jrc.ec.europa.eu/repository/handle/JRC56040
DOI: 10.1039/b9nj00371a
Type: Articles in Journals
Abstract: The present work focuses on investigations of a highly selective ligand for Am(III)/Ln(III) separation: bis-triazinyl-pyridine (BTP). By means of nano-electrospray mass spectrometry, complex formation of BTP with selected elements of the lanthanide series is investigated. We show that the diluent drastically influences complex speciation. Measurements obtained in the extraction-relevant diluent 1-octanol show the occurrence of Ln(BTP)i (i = 1¿3) species in different relative abundances, depending on the lanthanide used. Here, the relative abundances of the Ln(BTP)3 complexes correlate with the distribution ratios for extraction to the organic phase of the respective lanthanide.
JRC Institute:Institute for Transuranium Elements

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