Purification Solution - Developer's Guide 11
Preparing Default Purification Methods
2
General Method Settings
General Method Settings
In all modules, set the Stoptime to As Injector/No Limit (infinite run time). The
actual stoptime will be specified when the method is used.
Isocratic Pump (G1310B)
Make-up pump for splitter used with separated preparative MSD instrument.
Quaternary Pump (G1311B)
Make-up pump for splitter and analytical pump for combined analytical and
preparative MSD instrument.
Prep Pump Cluster (G1361A and G1391A)
Stoptime Select As Injector/No limit
Pressure Limits Consider Active Splitter pressure limit (69 bar).
Stoptime Select As Injector/No limit
Pressure Limits • Because of the 400-bar pressure limit of the preparative
system, set the upper limit for analytical scouting runs to 400
bar or lower.
• Consider Active Splitter pressure limit (69 bar) when used as
make-up pump.
Solvent
description texts
• Channel A: Water
• Channel B: Acetonitrile
Solvent B 2%
Pressure Limits Set Max. limit. Find the pressure limit of the used columns (for
example, 21.2 mm guard system seals finger-tight up to 135 bar;
21.2 mm prep column without the guard up to 350 bar).
Stoptime Select As Injector/No limit
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