Redox Equilibrium of Antimony by Square Wave Voltammetry Method in CRT Display Glass Melts

被引：7

作者：

Jung, Hyun-Su ^{[1
]}

Kim, Ki-Dong ^{[1
]}

Kim, Hyo-Kwang ^{[1
]}

Kim, Young-Ho ^{[1
]}

机构：

[1] Kunsan Natl Univ, Fac Mat Sci & Nanochem Engn, Kunsan 573701, South Korea

来源：

JOURNAL OF THE KOREAN CERAMIC SOCIETY | 2007年 / 44卷 / 01期

关键词：

Fining; Redox reaction; Square wave voltammetry; Voltammogram; Thermodynamic data; Redox ratio;

D O I：

10.4191/kcers.2007.44.1.001

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Fining and homogenization of melts during batch melting is closely related to the redox reaction of polyvalent element M(x+n)+ + n/2O(2-) -> Mx+ n/4O(2) In this study, square wave voltammetry (SWV) measurements were performed to examine the redox behavior of an antimony ion in cathode ray tube (CRT) glass melts. According to results, well-separated two peaks are shown at low temperature while only one peak is shown at high temperature in voltammograms, which reveals that redox reaction of antimony consist of two steps: Sb9+/Sb3+ and Sb3+/Sb0+, depending on the temperature. Based on the peak potential shown in the voltammogram, the thermodynamic data and the redox ratio for two redox couple were determined.

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页数：5

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