The CP-Select 624 CB is a highly reproducible version of the popular 624 phase and has 2-3 times lower bleed than conventional columns.

• Guaranteed for EPA volatiles with methods 524.2, 624 and 8015 for maximum confidence
• Excellent peak shape for polar and basic compounds for accurate results
• Specified by Pharmacopoeia Method V.3.3.9 for residual solvent analysis, providing compliancy

The Select 624 CB, a 6% cyanopropylphenyl, 94% dimethylsiloxane phase is synthesized and fully characterized to ensure maximum column-to-column reproducibility.