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ENHANCED FLUOROMETRIC-DETERMINATION OF EUROPIUM WITH DIBENZOYLMETHANE AND DIPHENYLGUANIDINE BY TERBIUM
被引：6
|作者：
SI, ZK
ZHU, GY
ZHANG, B
JIANG, W
机构：
[1] Department of Applied Chemistry, Shandong University, Jinan
关键词：
EUROPIUM DETERMINATION;
ENHANCED FLUOROMETRIC METHOD;
TERBIUM;
D O I：
10.1080/00032719208018529
中图分类号：
O65 [分析化学];
学科分类号：
070302 ;
081704 ;
摘要：
A study of the enhanced fluorescence intensity of Eu-dibenzoylmethane(DBM)-diphenylguanidine(DPG) by terbium was made. The excitation and emission wavelengths were 390 and 612 nm, respectively. The fluorescence intensity was a linear function of the concentration of europium in the range 5.0 x 10(-10)--6.0 x 10(-8) M. The detection limit was 5.0 x 10(-11) M. The standard addition method was used for the determination of europium in rare earth oxides.
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页码：321 / 330
页数：10
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