Synthesis and X-ray Diffraction Study of Radium Plumbate

被引：2

作者：

Butkalyuk, P. S. ^{[1
]}

Butkalyuk, I. L. ^{[1
]}

Kuznetsov, R. A. ^{[1
]}

Tomilin, S. V. ^{[1
]}

机构：

[1] Publ Joint Stock Co, State Sci Ctr, Res Inst Atom Reactors, Dimitrovgrad 10, Ulyanovsk 433510, Ulyanovsk Oblas, Russia

来源：

RADIOCHEMISTRY | 2013年 / 55卷 / 01期

关键词：

alpha emitters; radium-226; plumbates; platinates;

D O I：

10.1134/S1066362213010086

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Previously unknown mixed oxide RaPbO3 was prepared by thermal decomposition of a mixture of radium and lead carbonates. An X-ray diffraction study showed that radium plumbate crystallizes in the cubic perovskite structural type. The unit cell parameter (a = 4.303 angstrom) and crystallographic density (rho = 10.42 g cm(-3)) were determined. Formation of a new compound, RaPtO3-x, upon sintering of mixtures of radium and lead carbonates at 800 degrees C in a platinum crucible was detected. A similar barium compound can be formed upon calcination of barium compounds in platinum vessels in air.

引用

页码：41 / 45

页数：5

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