Polyaniline-polypyrrole coating for solid phase microextraction

被引：18

作者：

Vickackaite, Vida ^{[1
]}

Ciuvasovaite, Vilma ^{[1
]}

机构：

[1] Vilnius State Univ, Dept Analyt & Environm Chem, LT-03225 Vilnius, Lithuania

来源：

CENTRAL EUROPEAN JOURNAL OF CHEMISTRY | 2007年 / 5卷 / 03期

关键词：

solid phase microextraction; polyaniline; polypyrrole; gas chromatography;

D O I：

10.2478/s11532-007-0023-y

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A procedure for direct electrochemical deposition of polyaniline-polypyrrole blend coating on the surface of stainless steel wire was suggested. Incorporation of polyaniline and polypyrrole into the blend coating was confirmed by infrared spectroscopy. Key parameters (pyrrole, aniline, dopant and sulphuric acid concentrations and deposition potential) influencing the coating's mechanical stability and surface homogeneity were optimised and thermostability of the coating was investigated. A possibility to apply the coating as a new fibre for solid phase microextraction was demonstrated. The coating showed better selectivity toward aromatic, hydrophobic compounds. (c) Versita Warsaw and Springer-Verlag Berlin Heidelberg. All rights reserved.

引用

页码：727 / 738

页数：12

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