HF handles 1 cm Ribbon annealed at different temperatures, and washed with distilled water Ar flow 5 later transferred in the reaction cell put in mL/min at 30 ° c of the oil bath, dried in vacuum went hydrogen.
The ribbon 1 cm that was heat-treated at each temperature was HF treatment, washed with distilled water and transferred to the reaction cell is immersed in an oil bath at 30 ℃ an Ar flow rate 5 ml / min, after being sufficiently dried in vacuo to hydrogen the process I went.
After heat treatment at different temperatures HF ribbon 1 cm, washed with distilled water, the flow rate Ar cells in response to an oil bath 5 ml / min at 30 ℃ in vacuum, after drying in the process.