Mercury optical fibre probe based on a modified cladding of sensitised Al2O3 nano-particles

被引：10

作者：

Perez-Hernandez, Javier ^{[2
]}

Albero, Josep ^{[2
]}

Llobet, Eduard ^{[1
]}

Correig, Xavier ^{[1
]}

Matias, Ignacio R. ^{[3
]}

Arregui, Francisco J. ^{[3
]}

Palomares, Emilio ^{[2
]}

机构：

[1] Univ Rovira & Virgili, MINOS, Dept Elect Engn, Tarragona 43007, Spain

[2] Inst Chem Res Catalonia ICIQ, Tarragona 43007, Spain

[3] Univ Publ Navarra, Dept Elect & Elect Engn, Pamplona 31006, Spain

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2009年 / 143卷 / 01期

关键词：

Mercury; Optical fibre; Alumina; PLS; ALUMINUM-OXIDE; SENSOR; OPTODE; HG(II);

D O I：

10.1016/j.snb.2009.08.051

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

We report an optical fibre probe for mercury detection based on a sensitised alumina cladding. The interaction between the sensitive material and the guided light wave is effected by means of evanescent-field coupling. wherein the colorimetric changes of a Ru(II)-bis-thiocyanate complex modulate the light intensity. The improvement of the water stability measurements of the system has been achieved by treating the alumina clad in sulphuric acid before dye adsorption. A partial least squares calibration model employing spectral features from the optode response enables estimating mercury concentration at a range between 0 and 6 ppm. (C) 2009 Elsevier B.V. All rights reserved.

引用

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页码：103 / 110

页数：8

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