Loop Sampling with Backflush to Detector - Valco 8 port

One valve performs the functions of sampling and backflush valves, simplifying operation and reducing cost. When components of interest are detected, the strongly retained components are backflushed and removed from the column, without temperature programming.

Click below to change the valve position. (Currently shown in Position A)

A: Contents of sample loop injected onto column

Position A

B:Late eluting components backflushed to detector

Position B