PHYSICOCHEMICAL CHARACTERIZATION AND NONISOTHERMAL DECOMPOSITION KINETICS OF A PRECURSOR (POLYNUCLEAR COORDINATION COMPOUND) OF MANGANESE FERRITE

被引：8

作者：

CARP, O

SEGAL, E

BREZEANU, M

PATRON, L

BIRJEGA, R

STANICA, N

机构：

[1] UNIV BUCHAREST,FAC CHEM,DEPT PHYS CHEM,BUCHAREST,ROMANIA

[2] UNIV BUCHAREST,FAC CHEM,DEPT INORGAN CHEM,BUCHAREST,ROMANIA

[3] ZECASIN SA,SECTOR 6,BUCHAREST,ROMANIA

来源：

THERMOCHIMICA ACTA | 1994年 / 243卷 / 01期

关键词：

AAS; COORDINATION COMPOUND; DECOMPOSITION; IRON COMPOUND; IRS; KINETICS; MANGANESE COMPOUND; NONISOTHERMAL; TG; XRPD;

D O I：

10.1016/0040-6031(94)85038-0

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The authors present their results concerning the possibility of using a polynuclear coordination compound, [(FeFeMn)-Fe-II-Mn-III(C2O4)(2)(OH)(3)(H2O)(3)].H2O, as a source for manganese ferrite. The polynuclear compound synthesized by a forced hydrolysis has been characterized by chemical analysis, electronic and vibrational spectra, X-ray powder diffractometry, magnetic susceptibility measurements and thermal analysis. This paper also presents a non-isothermal kinetic study of the decomposition steps. The non-isothermal kinetic parameters have been evaluated for the whole (alpha,t) curve as well as for its significant portions.

引用

页码：43 / 50

页数：8