Pr-oxide in not given according to A. Brukl, Angew. Chem. 52 (1939) 152, G. Meyer, P. Ax, Mater. Res. Bull. 17 (1982) 1447; vac. distn. in Ta container;
参考文献
Journal of Physical Chemistry B, , vol. 101, # 48 p. 9951 - 9957
in neat (no solvent) mixt. of metal and I2 was heated to the deflagration point of the mixt. in vac.; excess of I2 was evacuated, tube was filled with Ar, solidified metal part was removed, elem. anal.; metal triiodide was deposited on the wall of tube;
参考文献
Zeitschrift fur Anorganische und Allgemeine Chemie, , vol. 628, # 3 p. 699 - 702
