A novel miniaturized sensor for carbon dioxide dissolved in liquids

被引：9
|
作者：
Fasching, R
Keplinger, F
Hanreich, G
Jobst, G
Urban, G
Kohl, F
Chabicovsky, R
机构：
[1] Vienna Univ Technol, Inst Ind Elekt & Materialwissen, A-1040 Vienna, Austria
[2] Vienna Univ Technol, Ludwig Boltzmann Inst Biomed Mikrotech, A-1040 Vienna, Austria
[3] Vienna Univ Technol, A-1040 Vienna, Austria
[4] Univ Freiburg, Inst Mikrosystemtech, D-79085 Freiburg, Germany
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2001年 / 78卷 / 1-3期
基金：
奥地利科学基金会;
关键词：
miniaturized CO2 sensor; chemisorption on rhodium; amperometric measurement; inverse voltammetry;
D O I：
10.1016/S0925-4005(01)00828-0
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
In this paper, we report on a thin film sensor for the detection of carbon dioxide dissolved in liquids with the attention focused on its use for clinical blood gas analysis. Carbon dioxide from the analyte penetrates into a hydrogel electrolyte through a gas permeable membrane and is chemisorbed on a rhodium working electrode. The concentration of CO2 collected by this way is determined by an amperometric measurement technique based on the inverse voltammetry. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：291 / 297
页数：7
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