An organically modified sol-gel membrane for detection of mercury ions by using 5,10,15,20-tetraphenylporphyrin as a fluorescence indicator - Details

author：

Guo, L. (Guo, L..) ^[1] | Zhang, W. (Zhang, W..) ^[2] | Xie, Z. (Xie, Z..) ^[3] | Lin, X. (Lin, X..) ^[4] | Chen, G. (Chen, G..) ^[5]

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Scopus

Abstract：

A　new　optical　sensor　membrane　for　sensing　of　Hg2+　in　aqueous　solution　has　been　developed　by　using　(5,10,15,20-tetraphenylporphyrin,　H2tpp)　as　a　lipophilized　indicator,　which　was　dissolved　in　an　organically　modified　sol-gel.　The　method　for　preparation　of　this　organically　modified　sol-gel　membrane　and　its　characteristics　were　investigated　in　detail.　The　fluorescence　quenching　of　the　sol-gel　membrane　by　Hg2+　showed　a　linear　response　over　the　Hg2+　concentration　range　of　5.0　×　10-6　to　1.0　×　10-4　mol/l　with　a　detection　limit　of　3.6　×　10-6　mol/l,　and　the　good　stability,　reversibility,　long　lifetime　and　short　response　time　could　be　obtained.　©　2005　Elsevier　B.V.　All　rights　reserved.

Keyword：

5,10,15,20-Tetraphenylporphyrin; Fluorescence quenching; Hg2+; Organically modified sol-gel membrane

Community：

[ 1 ] [Guo, L.]The MOE Key Laboratory of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China
[ 2 ] [Zhang, W.]The MOE Key Laboratory of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China
[ 3 ] [Xie, Z.]The MOE Key Laboratory of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China
[ 4 ] [Lin, X.]The MOE Key Laboratory of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China
[ 5 ] [Chen, G.]The MOE Key Laboratory of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China

Reprint 's Address：

[Chen, G.]The MOE Key Laboratory of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China

Email：

gnchen@fzu.edu.cn

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Source ：

Sensors and Actuators, B: Chemical

ISSN： 0925-4005

Year： 2006

Issue： 1

Volume： 119

Page： 209-214

2 . 3 3 1

JCR@2006

6 . 3 9 3

JCR@2018

JCR Journal Grade：1

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