Dear all, unfortunately, I have to tell you that the oven of the TGA is broken and it will probably take a while until a replacement is available. Best regards Brigitte -- Brigitte Jansen RWTH-Aachen Institut für Anorganische Chemie Geb. 2020, Raum 107 Landoltweg 1 D - 52074 Aachen Tel.: + 49 (0) 241 80 94665 Fax: + 49 (0) 241 80 92288