LITHIUM-LANTHANUM DOUBLE CHROMATES

被引：1
|
作者：
MELNIKOV, P
机构：
[1] Instituto de Química UNESP, 14800 Araraquara, São Paulo
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 1993年 / 201卷
关键词：
D O I：
10.1016/0925-8388(93)90881-M
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Synthesis and crystallographic data are reported for low and high temperature forms of LiLa(CrO4)2. The compounds are closely related to lamellar rare earth phosphates and arsenates of sodium and to RbLu(CrO4)2-Lattice parameters of the orthorhombic (low temperature) and monoclinic (high temperature) forms are given. The low temperature form is moisture sensitive and Li+ ions are easily displaced by protons. Thermal decomposition takes place at 250-degrees-C and results in the formation of LiCrO2, LaCrO4, LaCrO3 and Cr2O3.
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页码：181 / 183
页数：3
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