15
BÜCHI
Fat Determination
B-820/B-821
4
Putting into operation
Unpacking and checking the B-820 unit
Open the carton carefully in order to avoid breaking the glass
of the enclosed separation column, soap bubble meter and
syringe. Unpack the unit with care and check for any possible
damage. It is important that any damage incurred during transit
is determined and reported immediately. If this is the case, a
full statement of facts must be immediately reported to the
shipping agent.
Autosampler B-821
For unpacking and checking refer to Section 4.11.1.
It is advisable to keep the packaging for future transport.
4.1
Accessories
The following accessories necessary to operate the unit are
not included in delivery and cannot be ordered from the manu-
facturer:
•
Hydrogen (percentage purity 5.0, gas cylinder or central
supply)
•
Synthetic air (gas cylinder or central supply)
•
2 pressure reducing valves for gas cylinders
•
Two G 1/8” connections to the reducing valves
(oxygen and synthetic air)
•
Formic acid (85%)
•
Stopwatch
•
Soap solution
•
When using the Autosampler: n-butanol (pure) (for rinsing
the syringe)
4.2
Location of unit
The unit must only be operated in ventilated rooms (window
or artificial ventilation). It must be installed on a stable, clean
and even surface.
For safety reasons and to ensure sufficient cooling of the oven,
the back and side walls of the unit must be placed at least
13 cm (5.2 inch)
away from the walls or any other object.
No containers or chemicals should be placed behind the unit
(due to outflow of the hot air).
4 Putting into operation