SOLID-STATE SENSOR FOR SULFUR-OXIDES BASED ON STABILIZED ZIRCONIA AND METAL SULFATE

被引：29

作者：

YAN, Y ^{[1
]}

SHIMIZU, Y ^{[1
]}

MIURA, N ^{[1
]}

YAMAZOE, N ^{[1
]}

机构：

[1] KYUSHU UNIV, GRAD SCH ENGN SCI, DEPT MAT SCI & TECHNOL, KASUGA, FUKUOKA 816, JAPAN

来源：

CHEMISTRY LETTERS | 1992年 / 04期

关键词：

D O I：

10.1246/cl.1992.635

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Electrochemical cells using MgO-stabilized zirconia tube coated with metal sulphates were found to exhibit fairly good sensing properties to 20-200 ppm SO2 in air at 650-800-degrees-C. With various sulphates such as Li2SO4 and Na2SO4, EMF responses to SO2 followed Nernst's equations for a 2-electron reduction of SO2. With Li2SO4-CaSO4 (6:4 in molar ratio), 90% response- and 90% recovery-times were 12 s and 2.5 min, respectively, for 130 ppm SO2 at 800-degrees-C.

引用

页码：635 / 638

页数：4

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