A NON-ISOTHERMAL KINETIC STUDY OF THE THERMAL DECOMPOSITION OF MAGNESIUM ALKOXIDES AND AMIDES

Article abstract of DOI:10.1016/S0022-328X(00)92671-8

The thermal decomposition of alkoxides and amides of magnesium have been studied by vacuum TGA under both isothermal and non-isothermal conditions.These compounds were found to follow a unimolecular decay law, which in integrated form is -ln(1-α)=kt, where α is the fraction of material reacted, and k is the Arrhenius rate constant.The rate-controlling process is random nucleation, one nucleus on each particle.Energies of activation calculated by isothermal and non-isothermal methods agree to within +/-20percent.