THE DEHYDRATION BEHAVIOR OF RARE-EARTH COMPLEXES OF M-NITROBENZOIC ACID

被引：2
|
作者：
WANG, ZL
NIU, CJ
MA, JF
NI, JZ
机构：
[1] Laboratory of Rare Earth Chemistry and Physics Changchum Institute of Applied Chemistry, Academy Sinica, Changchun
来源：
JOURNAL OF THERMAL ANALYSIS | 1994年 / 41卷 / 04期
关键词：
COMPLEXES; DTA-TG-DSC; IR; LUMINESCENT MATERIALS; RARE EARTH COMPLEXES OF M-NITROBENZOIC ACID; X-RAY;
D O I：
10.1007/BF02547169
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Rare earth complexes of m-nitrobenzoic acid (LnL3.2H2O, Ln = La-Lu and Y, except Pm, HL = m-nitrobenzoic acid) were synthesized and characterized by elemental analysis, chemical analysis, IR spectroscopy and X-ray diffraction analysis. The dehydration behaviour of these complexes was studied in detail by means of TG-DTA and DSC. Dehydration occurs over the temperature range 76-215-degrees-C, and the temperature of formation of the anhydrous complexes decreases with increasing atomic number of the rare earth. The activation energies and enthalpy changes for the dehydration were obtained.
引用
收藏
页码：899 / 907
页数：9
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