BÜCHI Labortechnik AG
Performing an extraction | 9
Operation Manual FatExtractor E-500
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9.4.4
Starting a Hot Extraction
NOTE
Boiling retardation
4
The beakers contain an integrated boiling surface.
ð
No boiling aids are needed.
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Precondition:
R
The instrument has been prepared.
R
A method is selected.
R
The sample is prepared (in the glass sample tube or in the thimbles).
u
Switch on the connected chiller or open the water tap.
u
Place the prepared glass sample tube or thimble with the corresponding holder in
the beaker.
u
Put the beaker on the corresponding position on the heating plate.
u
Close the protection shield.
u
Navigate to the
[Home]
menu via the navigation path.
u
Tap the function
[Down]
on the function bar.
ð
The lift moves down.
u
Wait until the lift is in the lower position.
u
Make sure that all components of the glass setup are aligned.
Testing procedure:
Move each condenser a small distance forward and backward.
u
Fill the solvent via the condenser. See Chapter "Adding solvent through the con-
denser with a funnel", page 62
u
Tap the function
[Start]
on the function bar.
ð
The display shows the
[Home]
menu with a black background.
ð
The instrument is starting the selected method.
u
Wait until the solvent boils and condenses.
u
Make sure that there are no leaks.
9.4.5
Ending a Hot Extraction
WARNING
Risk of dangerous vapors, hot parts and hot glassware.
A hot instrument can cause building fire, skin burns or death.
u
Wait 15 min before opening the lift.
u
Do not touch hot parts or surfaces.
u
Use pliers to remove the glassware.
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