Synthesis, characterisation and thermal behaviour of solid state compounds of 4-methylbenzylidenepyruvate with heavier trivalent lanthanides and yttrium(III)

被引：0
作者：
Marques, RN [1 ]
Melios, CB [1 ]
Ionashiro, M [1 ]
机构：
[1] UNESP, Inst Quim, BR-14801970 Araraquera, SP, Brazil
来源：
THERMOCHIMICA ACTA | 2003年 / 395卷 / 1-2期
关键词：
heavier trivalent lanthanides; yttrium(III); 4-methylbenzylidenepyruvate; complexes; characterization; thermal behaviour;
D O I：
暂无
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Solid state Ln-4-Me-BP compounds, where Ln stands for heavier trivalent lanthanides (gadolinium to lutetium) and yttrium(III) and 4-Me-BP is 4-methylbenzylidenepyruvate (CH3-C6H4-CH=CH-COCOO-), have been synthesized. Elemental analysis, complexometry, X-ray powder diffractometry, infrared spectroscopy and simultaneous thermogravimetry-differential thermal analysis (TG-DTA), have been used to characterise and to study the thermal behaviour of these compounds. The results provided information concerning the stoichiometry, crystallinity, ligand's denticity, thermal stability and thermal decomposition. (C) 2002 Elsevier Science B.V All rights reserved.
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页码：145 / 150
页数：6
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