Cross-sensitive chemical sensors based on tetraphenylporphyrin and phthalocyanine

被引：33

作者：

Legin, A ^{[1
]}

Makarychev-Mikhailov, S ^{[1
]}

Goryacheva, O ^{[1
]}

Kirsanov, D ^{[1
]}

Vlasov, Y ^{[1
]}

机构：

[1] St Petersburg State Univ, Lab Chem Sensors, St Petersburg, Russia

来源：

ANALYTICA CHIMICA ACTA | 2002年 / 457卷 / 02期

关键词：

cross-sensitivity; chemical sensors; electric tongue; phthalocyanine; principle component analysis; tetraphenylporphyrin;

D O I：

10.1016/S0003-2670(02)00052-1

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The properties of solvent polymeric membrane sensors based on 5,10,15,20-tetraphenylporphyrin (TPP) and phthalocyanine (PHC) have been investigated. The sensitivity and selectivity of sensors towards wide range of mono- and di-valent cations have been measured. The selectivity towards the transition metal ions for TPP-based sensor does not correspond to the cation lipophilicity sequence, The dependence of response on pH was studied. The cross-sensitivity parameters, including average response slope, signal-to-noise ratio and "non-selectivity" factor for all sensors were calculated and compared. The influence of plasticizer and ionic additive on the response of sensors was characterized using principal component analysis (PCA). (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：297 / 303

页数：7

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