45
BÜCHI
Fat Determination
B-820/B-821
5 Operation
Factors table
Fat factor
Entry of the factor that will be used for the determination in
the “gen.corr.” and “spec.corr.” modes.
Butyric acid factor
Entry of the factor that will be used for the butyric acid
determination in the “but.acid” mode.
CF
Entry of the correlation factor. This factor is required in the
“but.acid” mode for the conversion of the butyric acid content
to the milk fat.
Blank value of the butyric acid
Entry of the blank value in g, which will be required for the
determination of the butyric acid. (“Fact.b.a.” mode).
After completing the entries, press “ESCAPE” to exit the
Factors table. To switch to the Main Menu, place the cursor
on “Main Menu” with “SELECT” and confirm with “ENTER”.
Or press “ESCAPE” twice after completing the entries to move
directly to the Main Menu.
All the inputs made in “Factors” must be updated by the user
himself. A factor will not be automatically overwritten or
changed. The calculation of the results takes place on the
basis of the stored factors. If one of the factors is changed
after the start of the determination, the calculation will always
be carried out with the factors stored at the time of the
evaluation (= end of the analysis run).
5.2.8 Determination
Once the sample weights have been entered, the determi-
nation can be started.
Factor Fat:
0.953
Factor butyric acid:
1.023
CF:
28.570
Blank value but. acid
0.0031 g
Main menu
Factors table
Preheating
p H2
55kPa
Sample weight/Mode
p air
50kPa
Determination
T oven
130°C
Data manager
T inj.
220°C
Setup
T FID
260°C
