6 | Operation
BÜCHI Labortechnik AG
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Operation Manual HydrolEx H-506
6.4
Performing a filtration
NOTE
Only use distilled water with a temperature between 40 and 50 °C.
Precondition:
R
All samples are hydrolyzed according the requirements.
u
Turn the
power regulator
to position
Off
.
u
Add water in each position.
u
Lift the hydrolysis vessels by lowering the lever.
ð
The samples from the hydrolysis vessels will be moved by suction.
u
Rinse the hydrolysis vessels.
u
Wait until the content of the hydrolysis vessel is completely transferred.
u
Repeat the rinsing step of the hydrolysis vessel three times.
u
Remove the sample aspiration tube.
u
Remove the glass sample tube from the rubber coupling.
u
Perform a pH-test.
The following results are possible:
Neutral
Acidic
Neutral
Precondition:
R
The result of the pH-test is neutral.
u
The hydrolysis is completed.
Acidic
Precondition:
R
The result of the pH-test is acidic.
u
Put the sample tube back to the rubber couplings at the instrument.
u
Install the sample aspiration tube.
u
Rinse the hydrolysis vessels.
u
Perform a pH-test.
6.5
Ending a hydrolysis
u
Dry the sample for further processing.
6.6
Shutting down the instrument
u
Switch the On/Off master switch to Off.
