Combi Flash EX Especificações descarregar pdf (Página 16)

Figure 3 – system is closed Figure 4 – system is open to vacuum

10. After 30 minutes, switch the system to argon for 5 – 10 seconds (should look like figure

1).

11. Repeat steps 8 – 10.

12. Repeat step 8 and 9.

13. Close the system by turning the bottom knob to its horizontal position (should look like

figure 3).

14. Switch the top knob to argon (should look like

figure 2).

15. On the flask, unscrew the black screw knob so

the bulb and the top joint are now open to each

other.

16. SLOWLY open the middle solvent knob (figure

5). (*NOTE* - as indicated by figure 5, the

solvent knob does not need to be fully opened!

You only need to have a steady flow of solvent).

17. Fill flask about halfway and close the middle

solvent knob by returning it to a horizontal

position (should look like figure 2).

18. Finally, open the flask to argon by turning the

bottom knob to a vertical position (should look

like figure 1).

Figure 5 – system is open to solvent

Argon

Vacuum

Argon

Vacuum

Argon

Vacuum

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Combi Flash EX Especificações Página 16