THERMAL PROPERTIES OF RARE EARTH OXOCOMPOUNDS AND ELEMENTS OF VI GROUP

被引：0
|
作者：
Suponitsky, Yu. L.
机构：
来源：
IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA I KHIMICHESKAYA TEKHNOLOGIYA | 2015年 / 58卷 / 06期
关键词：
thermal analysis; rare earths oxocompounds; sulfates; selenates; chromates; molybdates; tungstates; carbonates; cerium oxosalts;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Thermal properties of rare earths oxosalts containing acid anions formed with elements of VI group and nitrogen were systematized. The anomaly of thermal dissociation for sulphate-sulphite and selenite-selenate vapors was established. Cerium compounds are the least thermo stable in series iso-anion salts of rare earth salts. Peculiarity of thermal dissociation of oxosalts the anion of which is formed with non-metal is formation of intermediate stable compound like Ln(2)O(2)CO(3), LnONO(3) containing LnO+ crystal chemical ion. Similar oxocompounds are formed at the thermal dissociation of halogens and chalcogenides of rare earth metals in air.
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页码：21 / +
页数：5
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