6 | Operation
Büchi Labortechnik AG
68/102
Operation Manual Pure Chromatography Instruments
6.8.1
Preparing the instrument
Time required:
approx. 30 sec.
Precondition:
R
All commissioning operations have been completed. See Chapter 5 "Installation",
page 24
u
Switch the
On/Off
master switch to On.
u
Tap the
On/Off
switch.
ð
The instrument is starting up.
6.8.2
Selecting the prep mode (Pure C-850 only)
Navigation path
➔
Mode
u
Navigate to the
Mode
menu according to the navigation path.
u
Select
[Preparative]
.
ð
The prep mode is selected.
6.8.3
Starting a separation
Precondition:
R
The instrument is prepared. See Chapter 6.8.1 "Preparing the instrument",
page 68
R
The required solvents are connected and assigned. See Chapter 5.7 "Assigning
solvent to solvent lines", page 26
R
The sample is prepared.
R
The waste bottle is empty.
u
Calibrate the solvent level sensor. See Chapter 5.8 "Calibrating the solvent level
sensor", page 27
u
Calibrate the waste level sensor. See Chapter 5.12 "Calibrating the waste level
sensor", page 29
u
Open the protection shield.
u
Place the fraction collection trays inside the instrument. See Chapter 6.4.5
"Inserting the fraction collection tray", page 60
u
Close the protection shield.
u
Install a column. See Chapter 6.4.4 "Installing and removing a column", page 58
u
Tap the drop-down list next to A: on the
Solvent Selection
panel.
ð
The display shows a drop-down list with the assigned solvents.
u
Tap the required solvent.
ð
The solvent is selected
ð
The drop-down list closes.
u
Select more solvents for the mobile phase according to your needs.
u
Edit the gradient according to your needs. See Chapter 6.2.4 "Editing the
gradient", page 45
u
Enter the required times in the
Conditions
panel.
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