High temperature Ag+β”-alumina in situ sensor for sulfur-containing gases

被引：0
|
作者：
Vladimir G. Konakov
S. N. Kharitonov
O. Yu. Kurapova
I. Yu. Archakov
机构：
[1] St. Petersburg State University,Insitute of Chemistry
[2] Peter the Great St. Petersburg Polytechnical University,Research Laboratory for Mechanics of New Nanomaterials
来源：
Journal of Solid State Electrochemistry | 2016年 / 20卷
关键词：
Silver beta alumina; In situ SO; sensor; High temperature sensor; Solid state sensor;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The paper reports the development of high temperature in situ fully solid electrochemical sensor for sulfur-containing gases monitoring. The sensor is based on Ag+β”-Al2O3 membrane with Ag2S or Ag2SO4 layer on its surface. Silver beta alumina was manufactured by high temperature ion exchange technique in AgNO3 melt. The original design of the in situ sensor was developed. Three types of galvanic cells were used for the investigation of electromotive force (EMF) response on SO2 partial pressure both in oxygen-free and oxygen-containing atmosphere in the temperature range 673–923 K. The data obtained was compared with following Nernst equations. The applicability of the sensor for in situ measurements in industrial processes is discussed.
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页码：1345 / 1354
页数：9
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