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Kinetics And Mechanism Of Thermal Decomposition Of Binary Mixture Of Ferrous Oxalate And Copper Oxalate In The (1:2) Mole Ratio


Kinetics And Mechanism Of Thermal Decomposition Of Binary Mixture  Of Ferrous Oxalate And Copper Oxalate In The (1:2) Mole Ratio
Authors : S. K. Zaware, S. S. Jadhav
Publication Date: 28-12-2012

Authors

Author(s):  S. K. Zaware, S. S. Jadhav

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Vol.1 - Issue 10 (December - 2012)

e-ISSN:   2278-0181

Abstract

The non-isothermal decomposition study of individual FeC2O4.2H2O shows two steps decomposition with Fe2O3 as final product when heated to 300 C with two dimensional diffusion and Ginling Braunshtein equation. The CuC2O4 shows two steps decomposition with CuO as end product when heated to 320 C by Avrami equation. The non-isothermal study of the binary mechanical mixture of FeC2O4.2H2O and CuC2O4 in mole ratio (1:2) by TGA when heated up to 260 C shows mixture of Fe2O3 and CuO. The Vs time plots of isothermal study of mixture shows Ginling Braunshtein equation and Mampel unimolecular law. The applicability of Mampel unimolecular law to the kinetic data is up to 0.28 < < 1.00. The end products were characterized using X-ray diffraction and SEM technique. The kinetic parameters like energy of activation (Ea), pre- exponential factor (A) and Correlation factor (r) were obtained from isothermal TGA and EGA.

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