Potentiometric Sensor Based on an Ion-Imprinted Polymer for Determination of Copper

被引：15

作者：

Liang, Rongning ^{[1
,2
,3
]}

Zhang, Ruiming ^{[1
,2
,3
]}

Song, Wenjing ^{[1
,2
,3
]}

Hu, Xuefeng ^{[1
,3
]}

Qin, Wei ^{[1
,3
]}

机构：

[1] Chinese Acad Sci, CAS, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China

[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

[3] Chinese Acad Sci, Shandong Prov Key Lab Coastal Zone Environm Proc, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China

来源：

SENSOR LETTERS | 2011年 / 9卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Potentiometric Sensors; Ion-Imprinted Polymers; Copper; Ion-Selective Electrodes; PRECIPITATION POLYMERIZATION; SELECTIVE ELECTRODES; RECOGNITION; RECEPTORS; MEDIA; CHROMATOGRAPHY; EXTRACTION; SEPARATION; ALUMINUM; CARRIERS;

D O I：

10.1166/sl.2011.1512

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A novel potentiometric sensor based on an ion-imprinted polymer (IIP) has been developed for selective recognition and determination of Cu(II) ions. The IIP is synthesized by precipitation polymerization using Cu(II) ions as template, methacrylic acid as functional monomer and trimethylolpropane trimethacrylate as cross-linking agent. The IIP based plasticized poly(vinyl chloride) membrane electrode exhibits a Nernstian response (27.5 mV/decade) to Cu(II) ions over a wide concentration range of 1.0 x 10(-7)-1.0 x 10(-2) mol/L with a detection limit of 4.3 x 10(-8) mol/L. The selectivity of the electrode has been characterized and the logarithmic Nikolskii coefficients for Cu2+ over Ca2+, Zn2+, Cd2+, Pb2+ and Al3+ have been determined as -3.40, -3.75, -2.90, -2.45 and -3.87, respectively. The sensor shows rapid response, good reproducibility and satisfactory long-term stability.

引用

页码：557 / 562

页数：6

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