Flow-Injection Chemiluminescence Determination of Aspartic Acid in Tea Leaves Using Tris (2,2′-bipyridyl) Ruthenium (II)–Ce(IV) System

被引:0
作者
Sang Hak Lee
Chi Wan Jeon
Saikh Mohammad Wabaidur
机构
[1] Kyungpook National University,Department of Chemistry
[2] Korea Institute of Geoscience & Mineral Resources,undefined
来源
Journal of Fluorescence | 2008年 / 18卷
关键词
Aspartic acid; Flow injection; Chemiluminescence; Ruthenium;
D O I
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中图分类号
学科分类号
摘要
A flow injection chemiluminescence (CL) determination of aspartic acid is described. In this work, it was observed that aspartic acid could enhance the chemiluminescence (CL) emission of \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${\text{Ru(bipy)}}_{\text{3}}^{{\text{2 + }}} $$\end{document}–Ce(IV) system and this enhancement effect was dependent on the concentration of aspartic acid, based on which, CL system was established for the determination of aspartic acid. Under the optimum experimental conditions, the linear range and detection limit are 2 × 10−7–1.3 × 10−5 M and 1.5 × 10−8 M, respectively. The R.S.D. is 1.75%. (n = 10). The proposed method has been applied to detect the content of aspartic acid in tea leaves with satisfactory results. The possible mechanism of the CL reaction was discussed.
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页码:655 / 660
页数:5
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