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ELECTROSPRAY MASS-SPECTROMETRY OF LANTHANIDE BETA-DIKETONE COMPLEXES .1. LIGAND-EXCHANGE PROCESSES INVOLVING ACETATE IONS AND LN(THD)3 COMPLEXES (LN = EU, GD, YB, THD = 2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONE)
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UNSPECIFIED (1992) ELECTROSPRAY MASS-SPECTROMETRY OF LANTHANIDE BETA-DIKETONE COMPLEXES .1. LIGAND-EXCHANGE PROCESSES INVOLVING ACETATE IONS AND LN(THD)3 COMPLEXES (LN = EU, GD, YB, THD = 2,2,6,6-TETRAMETHYL-3,5-HEPTANEDIONE). Inorganica Chimica Acta, 201 (2). pp. 197-201. ISSN 0020-1693.
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Abstract
The electrospray mass spectra of the lanthanide (Ln) 2,2,6,6-tetramethyl-3,5-heptanedione (thd) complexes Eu(thd)3, Gd(thd)3 and Yb(thd)3 were obtained from a methanol/water solution containing acetic acid. Protonated molecular ions Ln(thd)3H+ were obtained in each case. Extensive ligand exchange reactions in solution resulted in many mixed-ligand cationic species involving acetato ligands, H2O and H+. Tandem mass spectrometry of Ln(thd)3H+ gave the fragment ions Ln(thd)+ containing a lanthanide in the divalent state for Eu and Yb.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry | ||||
Journal or Publication Title: | Inorganica Chimica Acta | ||||
Publisher: | ELSEVIER SCIENCE SA LAUSANNE | ||||
ISSN: | 0020-1693 | ||||
Official Date: | 15 November 1992 | ||||
Dates: |
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Volume: | 201 | ||||
Number: | 2 | ||||
Number of Pages: | 5 | ||||
Page Range: | pp. 197-201 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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