The spectrofluorimetric determination of europium and terbium
- 1 January 1969
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in The Analyst
- Vol. 94 (1114) , 26-31
- https://doi.org/10.1039/an9699400026
Abstract
The fluorescent properties of the tris chelates of europium and various β-diketones have been examined. Fluorinated ligands give better sensitivity than unfluorinated ligands, but the best sensitivity is found with 2-thenoyltrifluoroacetone in dimethylformamide. A rapid method for the determination of 10–7 to 10–8 M europium(III) is discussed. Both europium and terbium can be readily determined in the 10–2 to 10–3 M range by measurement of the fluorescence of the complexes formed with dimethylformamide alone.Keywords
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