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Agilent 1260 Infinity II Preparative Autosampler User Manual
6
Optimizing Performance
Optimization for Lowest Carry-over
Using an Injector Program
The process is based on a program that switches the bypass grove of the
injection valve into the flow line for cleaning. This switching event is
performed at the end of the equilibration time to ensure that the bypass grove
is filled with the start concentration of the mobile phase. Otherwise the
separation could be influenced, especially if microbore columns are used.
Example
Outside wash of needle in vial p2-A1 before injection
Injector program:
•
Draw x.x (y) μl from sample
•
WASH vial location p2-A1
•
Inject
Wait (equilibration time - see text above)
Valve bypass
Wait 0.2 min
Valve mainpass
Valve bypass
Valve mainpass
N O T E
Overlapped injection together with additional injection valve switching is not possible.
Содержание 1260 Infinity II
Страница 24: ...24 Agilent 1260 Infinity II Preparative Autosampler User Manual 1 Introduction Leak and Waste Handling ...
Страница 38: ...38 Agilent 1260 Infinity II Preparative Autosampler User Manual 3 Using the Module Turn on off 5 ...
Страница 188: ...188 Agilent 1260 Infinity II Preparative Autosampler User Manual 9 Maintenance Replace the Module Firmware ...
Страница 271: ...Agilent 1260 Infinity II Preparative Autosampler User Manual 271 Index ...