A Mettler Toledo TGA/DCS 1 analyser (equipped with a DTA sensor) was used for the kinetic experiments. For all experiments samples were prepared to be 10 ± 0.5 mg, to diminish sample size influences on the kinetics. Experiments have been performed in duplicates to verify reproducibility, with a standard deviation of the duplicates not exceeding 1.3%. The thermogravimetric programme consisted of a drying period of 5 min at 110 ◦ C, followed by the kinetic experiment up to 600 ◦ C with heating rates of 2, 5, 10, 15 or 20 ◦ C min−1 and a nitrogen flow of 100 mL min−1 . It is assumed that at these particle sizes and heating rates mass and heat transfer lim- itations will be negligible. For the differential ther