in neat (no solvent) sample heating in TG or DTA apparatus at 10 K/min in static or dynamic air (30 ml/min) in temp. range 25-900°C (intermediate formation intemp. range of 120-180°C); TG, DTA;

NaBH4 or N2H4 in ethanol mixed components soln. (PPH3 excess) redn. with NaBH4 or N2H4 under inert atmosphere, according to P. E. Garrou, G. E. Hartwell, Inorg. Chem. 15(1976) 730; elem. anal.; TG, DTA;

in neat (no solvent) sample heating in TG or DTA apparatus at 10 K/min in static or dynamic air (30 ml/min) in temp. range 25-900°C (intermediate formation intemp. range of 120-180°C); TG, DTA;