Determination of cerium(III) and cerium(IV) in nanodisperse ceria by chemical methods

被引：26
|
作者：
Stoianov, O. O. [1 ]
Ivanov, V. K. [2 ]
Shcherbakov, A. B. [3 ]
Stoyanova, I. V. [1 ]
Chivireva, N. A. [1 ]
Antonovich, V. P. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Bogatsky Physicochem Inst, Odessa, Ukraine
[2] Russian Acad Sci, NS Kurnakov Gen & Inorgan Chem Inst, Moscow 119991, Russia
[3] Natl Acad Sci Ukraine, Zabolotny Inst Microbiol & Virol, Kiev, Ukraine
来源：
RUSSIAN JOURNAL OF INORGANIC CHEMISTRY | 2014年 / 59卷 / 02期
关键词：
STABILITY; SOLS;
D O I：
10.1134/S0036023614020181
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Percentages of different valence cerium species have been determined in powdery samples, redispersible compositions, and aqueous sols of nanodisperse ceria prepared from cerium(IV) and cerium(III) salts by various methods with or without organic stabilizers. Cerium(III) is shown to be virtually absent in nearly all of the CeO2 samples studied. Organic stabilizers are shown to be capable of reducing cerium(IV) in aqueous CeO2 sols.
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收藏
页码：15 / 23
页数：9
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