Kinetics and Mechanism of Thermal Decomposition of Cobalt _I

ABSTRCT
The thermal decomposition of cinnamate complexes of cobalt (II), nickel (II)
and copper (II) was carried out using thermogravimetry (TG), derivative
thermogravimetry (DTG) and differential scanning calorimetry (DSC). The
kinetics and mechanism of the decomposition process were evaluated. The
different stages of decomposition were identified from TG and DTG. The
kinetic parameters were evaluated from TG curves using Coats-Redfren
equation. For cobalt and nickel cinnamate the decomposition process follows the
mechanism of three-dimensional diffusion D3 while copper cinnamate
decomposition mechanism follows the random nucleation mechanism F1 with
the formation of one nucleus on each particle (Mample equation). The heat of
reaction for the decomposition process was determined using DSC.

Kinetics and Mechanism of Thermal Decomposition of Cobalt _I