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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 5    No. 1    March 1995

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DEVELOPMENT OF Sr0.69La0.31F2.31+SrS SOLID ELECTROLYTE SENSOR AND ITS APPLICATION
Zhai Yuchun; Ma Ping ;Tian Yanwen ;Xiao Fei; Ji Chunlin

Northeastern University; Shonyang 110006

Abstract:A solid electrolyte tube was made with Sr0.69La0.31F2.31+SrS co-precipitated powder mixed with 3 wt. -% SrS solid powder. The cell, W|W , WS2|Sr0.69La0.31F2.31+SrS |[S]Cu|W , was designed to determine the sulphur activity in liquid copper. The EMF was stable and the cell was reversible. The results of determination conformed with those measured by other authors. The material of Sr0.69La0.31F2.31+SrS can be used to make solid electrolyte sensor for sulphur in high temperature   melts.

 

Key words: solid electrolyte; electrochemical sensor; sulphur activity;

ISSN 1672-7029
CN 43-1423/U

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