A THERMODYNAMIC STUDY OF TIN OXIDES BY COULOMETRIC TITRATION

被引：0
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作者：
YANG, LZ
SUI, ZT
WANG, CZ
机构：
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 1994年 / 113卷 / 02期
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中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The nonstoichiometries of tin oxides have been studied by coulometric titration, using solid state electrolytes (YSZ) between 694 K and 990 K. The nonstoichiometry (X) and the oxygen partial pressure (P(O2) vary as x is-proportional-to P(O)2(1/6) mean 900 k. A phase Sn3O4 between the Sn and SnO2 in the range of 969-732 k. The Gibbs free energy change of formation of Sn3O4 is given by DELTAG-degree(Sn3O4) = -1,163,960 + 417.36 T (J/mol). (C) 1994 Academic Press, Inc.
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页码：221 / 224
页数：4
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