✦ LIBER ✦

Fluorescence enhancement of the europium-yttrium-diphacinone-ammonia system

✍ Scribed by Guiyun Zhu; Zhikun Si; Xiuhong Wang; Wenjing Zhu

Book ID: 104100688
Publisher: Elsevier Science
Year: 1990
Tongue: English
Weight: 255 KB
Volume: 231
Category: Article
ISSN: 0003-2670
DOI: 10.1016/s0003-2670(00)86429-6

No coin nor oath required. For personal study only.

✦ Synopsis

A study of the enhanced (ca. 100 x ) fluorescence mtenstty of the Eu3+ -dtphacmone-ammoma system by Y3+ was made usmg a collotdal suspension

The excitation and emission wavelengths were 330 and 612 nm, respectively. The fluorescence mtenstty was a hnear functton of the concentratron of europmm 111 the range 6.0 X IO-"-8 0 x lo-' M. The detection hrmt was 8 0 X lo-l4 M The standard additron method was used for the determmatton of europium in rare earth oxtdes, wtth satisfactory results.

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