A COMPARISON BETWEEN CONVENTIONAL AND LASER-EXCITED LUMINESCENCE SPECTROMETRY FOR THE DETECTION OF THENOYLTRIFLUOROACETONE-TRIOCTYLPHOSPHINE OXIDE-EUROPIUM AND SAMARIUM COMPLEXES IN HEXANE

被引：6

作者：

ANZANO, JM ^{[1
]}

AKSELI, A ^{[1
]}

LEHOTAY, SJ ^{[1
]}

WINEFORDNER, JD ^{[1
]}

机构：

[1] UNIV FLORIDA,DEPT CHEM,GAINESVILLE,FL 32611

来源：

ANALYTICAL LETTERS | 1992年 / 25卷 / 01期

关键词：

EUROPIUM; SAMARIUM; THENOYLTRIFLUOROACETONE; TRIOCTYLPHOSPHINE OXIDE; MOLECULAR LUMINESCENCE SPECTROMETRY; AND LASER-EXCITED FLUORESCENCE;

D O I：

10.1080/00032719208020016

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A comparison of conventional luminescence and laser-excited fluorescence spectrometry of the Ln+3-thenoyltrifluoroacetone-trioctylphosphine oxide (TTA-TOPO) system has been carried out in hexane solution for Eu+3 and Sm+3. The maximum excitation/emission wavelengths were 339/613 nm and 339/641 nm for the europium and samarium complexes, respectively. The limits of detection (LODs) were 6.0 ng/L for Eu+3 and 180 ng/L for Sm+3 with conventional fluorescence, and with laser-excited fluorescence using a 325 nm He-Cd laser, LODs were 7.0 and 47 ng/L for Eu+3 and Sm+3, respectively.

引用

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页码：151 / 161

页数：11

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