WM-FFAP MS, 30mx0.25mmx0.25µm

The WM-FFAP MS GC capillary column 30x0.25mm, 0.25µm, is the low-bleed version of the nitroterephthalic acid-modified polyethylene glycol phase and is supplied in a single format. A low background signal is particularly valuable for wax phases because they are thermally less robust than polysiloxane phases and are therefore operated closer to their limit. Own specification data are not published for this designation. WM-FFAP MS is used particularly for the GC-MS of free fatty acids, organic acids and polar aromatic components.

Features and Benefits

• High-performance columns with low bleed
• Standard, MS, HT, and specialty phases
• Nonpolar to highly polar
• WCOT and PLOT versions
• Individual performance testing for each column

Additional Information

The WM series is the high-performance line of the gas chromatography product portfolio and covers demanding routine, GC-MS, and specialty applications. The MS variants feature the same phase chemistry as their respective base phases but are manufactured to stricter specifications, with dedicated surface deactivation and a lower desorption rate. In addition to the classic polysiloxane and wax phases, the series includes application-specific columns tailored to a single analytical method. In PLOT columns, adsorption strength and carrier gas velocity determine the separation, and water in the carrier gas shifts the retention.

Legal Information

WM is a product line of Welch Materials, Inc. The product and phase names mentioned are part of the manufacturer's gas chromatography portfolio.