Chemical microsensors based on ion sensitive glassy membranes.

被引:0
作者
Papet, P [1 ]
Sarradin, J [1 ]
Guessous, A [1 ]
Miloshova, M [1 ]
Bychkof, E [1 ]
Pradel, A [1 ]
Ribes, M [1 ]
机构
[1] UNIV ST PETERSBURG,ST PETERSBURG,RUSSIA
来源
ANNALES DE CHIMIE-SCIENCE DES MATERIAUX | 1995年 / 20卷 / 7-8期
关键词
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Chemical microsensors based on ion sensitive glassy membranes. Thick and thin films of chalcogenide glasses can be used to build up sensitive microsystems able to detect ionic species (Hg2+, Cu2+) in aqueous solution. Characteristics of sensing systems based on thick or thin films elaborated by the fast quenching method or by vacuum evaporation are presented. Regarding the detection of Hg2+ ion, the microsensor exhibits a very low limit of detection close to 10(-8) mol/l. A quasi-Nernstian behaviour over six orders of magnitude and a very good stability are observed on the Cu2+ ion sensing system.
引用
收藏
页码:429 / 432
页数:4
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