BUCHI Extraction Unit E-816 SOX - Manual (Page 20)

4 Description of function
20 E-812/816 Soxhlet Operation Manual, Version B
4 .2 .2 Step 2 - rinsing
The glass valve is open. The condensed solvent flows into the receiving funnel, drops down into the
extraction chamber and flows back into the beaker.
When the programmed rinsing time is over, the system goes to the next step.
4 .2 .3 Step 3 - drying
The tank valve is open and removes the solvent. In the end the extract is dried as much as possible.
The glass valve is still open.
4 .2 .4 Solvent collection
After the extraction is finished, all solvent is collected in the tank.
4 .3 Controls of the Extraction Unit
5
1
2
3
4
2 2 2
a Display
b Functional buttons
c START button
d STOP button
e Selection knob
Fig. 4.3: Controls of the Extraction Unit