A Small-Angle X-ray Scattering Study of Aqueous Solutions of Uranium(IV) Complexes with Lacunar Heteropolytungstates

被引：4
|
作者：
Shiryaev, A. A. [1 ]
Shilov, V. P. [1 ]
Fedoseev, A. M. [1 ]
Volkov, V. V. [2 ]
机构：
[1] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Leninskii Pr 31,Korp 4, Moscow 117911, Russia
[2] Russian Acad Sci, Shubnikov Inst Crystallog, Moscow, Russia
来源：
RADIOCHEMISTRY | 2014年 / 56卷 / 05期
关键词：
uranium(IV); complexes with lacunar heteropolyanions; small-angle X-ray scattering;
D O I：
10.1134/S1066362214050063
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The behavior of aqueous and acid solutions of U(IV) complexes with lacunar heteropolyanions was studied by small-angle X-ray scattering. The polytungstate forms in solutions and in crystals are generally similar. The polyanionic complexes in solutions can exhibit ordering with a period of approximately 5.6-7.8 nm. Such species are probably precursors of the crystalline form.
引用
收藏
页码：489 / 492
页数：4
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