Agilent Technologies 1290 Infinity II 2D-LC User Manual page 38

2 Concepts of 2D-LC
Active Solvent Modulation (ASM)
Figure 20
This is how the same flow path looks inside the 2D-LC valve ASM. The flow
coming from the
sample loop in deck A and carries parked sample cuts and
part of
Flows unite at port 5 and
head.
2D-LC User Guide
Operating principle with sample loop and ASM capillary in parallel flow path
2
D pump splits up at valve port 10. One part goes through the
2
D solvent goes through the ASM capillary between valve ports 9 and 6.
1
D solvent is diluted before it arrives at the
1
D solvent. The other
2
D column
38