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Analytical and TG, DIG and DTA studies of transition metal complexes of salicylic acid

โœ Scribed by B. D. Heda; P. V. Khadikar

Publisher
Wiley (John Wiley & Sons)
Year
2010
Weight
336 KB
Volume
89
Category
Article
ISSN
0037-9646

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โœฆ Synopsis

Abstract

The complexes of Fe(II), Zn(II) and VO(II) with salicylic acid have been prepared. Composition (ML~2~.2H~2~O) and structure of these complexes were established by elemental analyses and IR spectra. The thermal decomposition of these complexes using TG, DTG and DTA together with the analyses of intermediate products gave supporting evidence for the assigned structure. Thermal decomposition starts with dehydration and subsequently the anhydrous complex decomposes into corresponding metal oxide as the end product. Their dehydration temperature Increases with the increase in the coordinated water frequency. Thermal stability of the metal complexes increases in the order Fe>Zn>VO.

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Thermal Decomposition Studies: Part II k
Thermal Decomposition Studies: Part II kinetics of dehydration of transition metal complexes of salicylic acid
โœ B. D. Heda; P. V. Khadikar; O. K. Gogne ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› Wiley (John Wiley & Sons) โš– 104 KB ๐Ÿ‘ 1 views

## Abstract Various kinetic parameters of the thermal dehydration reaction of metal complexes of salicylic acid with Fe (II), Zn (II), and VO (II) have been evaluated using Horowitz and Metzger and Fuoss methods. Observed kinetic parameters indicate the first order reaction. The activation energy o