1
Introduction to the Column Compartment
Column Switching Valve (Optional)
Precolumn Back-flushing
The sample is injected into series-connected precolumn and analytical
column. After the valve has switched, the analytical column flow continues in
normal direction. Only the precolumn is back-flushed, eluting highly retained
peaks directly to the detector.
Figure 6
Precolumn Back-flushing
1290 Infinity TCC User Manual
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