Buchi FatExtractor E-500 - Ending a Soxhlet Extraction

BÜCHI Labortechnik AG Performing an extraction | 9
Operation Manual FatExtractor E-500 65/88
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 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.
9.3.6 Ending a Soxhlet 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.
Navigation path
➔
Precondition:
R The [Start] menu is showing the status Finished.
R The instrument temperature is less than 150 °C.
u Tap the function [Up] on the function bar.
ð The lift moves up.
u Open the protection shield.
u Remove the beaker for further processing.
u Remove the glass sample tube or thimble from the extraction glass chamber.
u Switch off the connected chiller or close the water tap.
u Empty the solvent tank. See Chapter11.2 "Removing the tank bottle", page74
9.3.7 Shutting down the instrument
Navigation path
➔
Precondition:
R The extraction process has ended.
u Switch the On/Off master switch to Off.