Methacrylate copolymers with pendant piperazinedione-sensing motifs as fluorescent chemosensory materials for the detection of Cr(VI) in aqueous media

被引：15

作者：

Vallejos, Saul ^{[1
]}

Munoz, Asuncion ^{[1
]}

Garcia, Felix C. ^{[1
]}

Serna, Felipe ^{[1
]}

Ibeas, Saturnino ^{[1
]}

Garcia, Jose M. ^{[1
]}

机构：

[1] Univ Burgos, Fac Ciencias, Dept Quim, E-09001 Burgos, Spain

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2012年 / 227卷

关键词：

Polymer membranes; Polymer chemosensors; Sensory materials; Sensing hexavalent chromium; Hexavalent/trivalent chromium discrimination; CHROMIUM; WATER; MEMBRANE; METHODOLOGIES; SPECIATION; ANIONS;

D O I：

10.1016/j.jhazmat.2012.05.047

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A fluorogenic sensory film, or dense membrane, capable of detecting Cr(VI), Fe(III), and Hg(II) in water was prepared. The film was prepared by a bulk radical polymerization of different comonomers, one of which contained a piperazinedione motif as sensory fluorophore. The film exhibited gel-like behavior and was highly tractable, even after being swollen in water. The sensing conditions were chosen to overcome interference from iron and mercury cations, giving rise to a material with a detection limit of 1 ppb for Cr(VI). (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：480 / 483

页数：4

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