A fluorescent probe for the determination of Ce4+ in aqueous media

被引：18
作者：
Huang, Liang [1 ,2 ]
Liu, Yong [3 ]
Ma, Cai [1 ,2 ]
Xi, Pinxian [1 ,2 ]
Kou, Wei [3 ]
Zeng, Zhengzhi [1 ,2 ]
机构：
[1] Lanzhou Univ, State Key Lab Appl Organ Chem, Key Lab Nonferrous Met Chem & Resources Utilizat, Lanzhou 730000, Peoples R China
[2] Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China
[3] NW Univ Nationalities, Coll Med, Lanzhou 730030, Peoples R China
来源：
DYES AND PIGMENTS | 2013年 / 96卷 / 03期
关键词：
Chemodosimeter; Selectivity; Ce4+; Fluorescence; Lanthanide ions; Oxidation; RARE-EARTH-ELEMENTS; IONS; SELECTIVITY; SENSOR; HG2+;
D O I：
10.1016/j.dyepig.2011.07.001
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A rhodamine-based probe bearing an N,N-dimethylaniline unit was developed as a fluorescent chemodosimeter for Ce4+ in aqueous media. Importantly, the sensor can selectively respond to Ce4+ over other commonly coexistent metal ions (such as La3+, Ce3+, Pr3+, Nd3+, Sm3+, Eu3+, Gd3+, Er3+, Tb3+, Ho3+, Tm3+, Yb3+, Lu3+, Y3+) in aqueous media with a rapid response time. The system, which utilizes an irreversible Ce4+-promoted oxidation reaction, responds instantaneously at room temperature with linear proportionality to the amount of Ce4+. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：770 / 773
页数：4
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