ISSN: 0090-3973
Published Online: 23 July 2009
Page Count: 7

A Review of Solid-State Electrochemical Sensors for Measurements of Sulfur Content of Liquid Metals

Liu, Tao
School of Materials and Metallurgy,Northeastern Univ.,

Li, Lin
School of Science,Shenyang Institute of Aeronautical Engineering,

Yu, Jingkun
School of Materials and Metallurgy,Northeastern Univ.,

(Received 29 October 2008; accepted 27 April 2009)

Abstract

Sulfur in steel is one of the most important deleterious element, so monitoring sulfur content is important to improve the quality of steel products. Solid electrolyte based sensors are well suited to metallurgical processes. However, the design of effective high temperature electrochemical sulfur sensors requires higher stability of sulfides and strategic combinations of electrolyte and auxiliary electrode materials to provide satisfactory response and stability. The approaches and materials used in the development of sulfur sensor are reviewed, and theoretical sulfur activity versus potential relation is given in this paper.

Keywords:
electrochemical sensors, sulfur content, solid electrolyte, auxiliary electrode

Paper ID: JTE102206
DOI: 10.1520/JTE102206
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