Division 6.4 F1

Common laboratory equipment, including:

1. 6.4.1.

   analytical balance. (precision: ± 0,1 mg);

2. 6.4.2.

   distillation apparatus with a reflux condenser, comprising, for example:

   • a 250 ml round-bottomed flask with a standardised ground-glass joint,

   • a 30 cm long reflux condenser, and

   • a heat source (any pyrogenic reaction involving the extractive matter must be avoided by using an appropriate arrangement).

3. 6.4.3.

   Rotary evaporation apparatus.

4. 6.4.4.

   Filtration set-up (i.e. Buchner funnel).