Varian FactorFour GC Columns Product Data Sheet

About this manual

This document describes the Varian FactorFour series of ultra low-bleed cyano-based gas chromatography (GC) columns, specifically models VF-624ms, VF-1701ms, and VF-1301ms. These columns are engineered to provide near-perfect peak shapes for problematic compounds like p,p'-DDT and endrin aldehyde while significantly reducing ghost peaks and unstable baselines compared to competitor products.

What's inside

• Ultra Low-Bleed Technology
• EPA Method Compliance
• Peak Shape Improvement
• Elimination of Ghost Peaks
• Separation of Co-eluters
• Ordering Information

Frequently asked questions

What is the main advantage of FactorFour columns over competitors?

They offer up to a factor four lower bleed, which eliminates ghost peaks and unstable baselines that mask trace analytes.

Which EPA methods are supported by these columns?

The columns support EPA 500, 600, 8000, U, 525.2, 524.2, and 8260.

How do these columns handle p,p'-DDT?

They provide the highest response for p,p'-DDT with near perfect peak shape even at concentrations as low as 2 pg.