ixture (HF/HNO3/H2O), rinsed with distilled water and dried.
Afterwards the fully assembled setup, including the empty tantalum
crucibles (approximately 20), was degassed under vacuum
(103 mbar) at 900 1C for 5 h. All preparations for the experiments
were then carried out under Ar atmosphere in a glove box. The
reservoir was filled with 25 to 35 g of Cd