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Simultaneous spectrofluorimetric determination of terbium, samarium and europium with hexafluoroacetylacetone-trioctylphosphine oxide and Triton X-100

โœ Scribed by Guiyun Zhu; Zhikun Si; Jinghe Yang; Jiu Ding

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
211 KB
Volume
231
Category
Article
ISSN
0003-2670

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โœฆ Synopsis

In aqueous solution, the fluorescence mtenslty 1s a hnear function of concentration m the ranges 1 0 X 10d4-1 0 X 1 0m6 M Sm and 1 0 x 10-6-1.0

X lo-' M Tb and Eu The optimum condltlons are 1 x 10m3 M hexafluoroacetylacetone, 1 X 10m4 M tnoctylphosphme oxide and 0.05% Tnton X-100 at pH 3 0

๐Ÿ“œ SIMILAR VOLUMES

Fluorescence enhancement of dysprosium,
Fluorescence enhancement of dysprosium, europium and terbium using sodium benzoate-trioctylphosphine oxide-Triton X-100
โœ Susy Peter; B.S. Panigrahi; K.S. Viswanathan; C.K. Mathews ๐Ÿ“‚ Article ๐Ÿ“… 1992 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 472 KB

The fluorescence of dysprosium, europium and terbium was enhanced by three to four orders of magnitude when these lanthanides were excited in the presence of sodium benzoate, trioctylphosphine oxide and Triton X-100 in aqueous solutions at pH = 5.5. In all instances the excitation wavelength was ca.