Agilent Technologies 1290 Infinity User Manual page 15

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Introduction to the Agilent 1290 Infinity Valve Drive and Valve Heads
Typical Applications
Sample Enrichment and Sample Cleanup
2pos/6port valve (p/n G4231A/B) and 2pos/10port valve (p/n G4232A/B)
Advantages:
• Easy automation of sample preparation
• Higher reproducibility
• Increased productivity and sensitivity
Sample cleanup is essential for samples with complex matrices, such as
biological fluids, food extracts and waste water. Before injection into a LC or
LC/MS system, the sample matrix must be separated from the analytes of
interest. Otherwise, contaminants can disrupt separation and detection or
even damage the analytical column.
Agilent 1290 Infinity Valve Drive and Valve Heads 15