A NEW KIND OF OXYGEN-SENSITIVE TRANSDUCER BASED ON AN IMMOBILIZED METALLOORGANIC COMPOUND

被引：21

作者：

DELBIANCO, A ^{[1
]}

BALDINI, F ^{[1
]}

BACCI, M ^{[1
]}

KLIMANT, I ^{[1
]}

WOLFBEIS, OS ^{[1
]}

机构：

[1] KARL FRAZENS UNIV,INST ORGAN CHEM,A-8010 GRAZ,AUSTRIA

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 1993年 / 11卷 / 1-3期

关键词：

D O I：

10.1016/0925-4005(93)85274-E

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new kind of oxygen-sensitive transducer has been realized based on the reflectance change of bis(histidinato)cobalt(II) [Co(His)2] immobilized on a thin-layer chromatographic plate (TLC plate). This plate is further coated with a two-component silicone rubber layer in order to maintain a wet environment for the cobalt complex and to provide mechanical protection of the oxygen-sensitive layer. An experimental characterization of the sensor material shows it to be capable of detecting oxygen at levels as low as 0.2% (v/v) in an argon stream with rate constants of 12 s and 65 s for the oxygenation and deoxygenation processes, respectively.

引用

页码：347 / 350

页数：4

共 13 条

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