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

页码：770 / 773

页数：4

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