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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.
For example:
Outside wash of needle in vial 7 before injection
Injector program:
Draw x.x (y) µl from sample
NEEDLE WASH vial 7
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 G1329A
Страница 1: ...Agilent 1260 Infinity Preparative Autosampler User Manual...
Страница 6: ...6 Contents...
Страница 22: ...22 1 Introduction to the Autosampler Agilent 1200 Infinity Interfaces...
Страница 32: ...32 2 Site Requirements and Specifications Performance Specifications...
Страница 52: ...52 3 Installing the Autosampler Transporting the Autosampler...
Страница 74: ...74 6 Troubleshooting and Diagnostics Overview of the Sampler s Indicators and Test Functions...
Страница 106: ...106 8 Parts and Materials for Maintenance Main Assemblies Main Assemblies Figure 23 Autosampler Main Assemblies...
Страница 109: ...109 Parts and Materials for Maintenance 8 Analytical Head Assembly Figure 24 Analytical Head Assembly cdi h dlc...
Страница 136: ...136 9 Identifying Cables RS 232 Cables...
Страница 149: ...149 Index...