稀土元素悬浮液荧光体系的研究——铕-钆-二本甲酰甲烷-二乙胺体系  

Suspensiom System of Fluorescence Coordination Compound of Europium(Ⅲ)-Dibenzoylmethane-Diethylamine With Gadolinium

作　　者：何琴[1] 邵光玓 刘文华[2] 

机构地区：[1]北京科技大学化学系,北京100083 [2]北京有色金属研究总院

出　　处：《分析化学》1994年第10期989-993,共5页Chinese Journal of Analytical Chemistry

摘　　要：系统研究了明胶对铕-钇-二苯甲酰甲烷-二乙胺沉淀悬浮液荧光体系的稳定化作用和钆对铕的荧光增强效应,使荧光强度提高约2个数量级,Eu的检出限达8.5×10^(-13)mol/L(k=3),该体系可用于Gd_2O_2中痕量Eu的测定,结果满意.The fluorescence enhancement phenomenon by Gd (III) and stabilized effect by gelatin in the suspension system of fluorescence coordination compound of Eu(III)-dibenzoyl-methane-diethylamine were studied systematically. The fluorescence intensity of the system can increase by about 2 orders of magnitude, the detection limit of Eu is 8. 5 X 10-13mol/L (k = 3). The system can be applied to the determination of trace europium in Gd2O3 with satisfactory results.

关 键 词：明胶 悬浮液荧光体 钆 铕 荧光增强 

分 类 号：O614.33[理学—无机化学]