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.

引用

页码：21 / +

页数：5

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