42
BÜCHI
Fat Determination
B-820/B-821
Figure 20: Measuring the gas flow rate with a digital stop watch,
counting in
1
/
100
th of a second interval.
10 ml
Marker 3
20 ml
Marker 2
Marker 1
5 Operation
Re-check the gas flow rate and the supply lines for leakages
(see Section 4.7, Checking supply lines for leaks) each time
the gas cylinder or column is changed as well as after service
interventions.
