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ICS-2100 Ion Chromatography System
44 Doc. 065291-01 3/09
2.4.7 Auxiliary Valve (Optional)
The auxiliary valve is a high-pressure Rheodyne valve. The electrically-
activated, 2-position PEEK valve is offered in both 6-port and 10-port
models (6-Port Valve Kit, P/N 069472; 10-Port Valve Kit, P/N 069473).
The auxiliary valve enables a variety of sample preparation activities,
including:
• Online filtration
• Matrix elimination (for example, the removal of high backgrounds of
chloride or organic material)
• Concentrator-based techniques
• Conditional injections (large loop/small loop applications where the
data system monitors sample concentration and reinjects the sample,
using the smaller loop, if the concentration is too high)
• AutoNeutralization
™
• Matrix diversion prior to MS (mass spectrometry) detection
For more information, refer to Installing the ICS-1100/ICS-1600/ICS-
2100 Auxiliary Valve (Document No. 065288). The manual is provided in
the Auxiliary Valve Kit.