Avantor® Ultrasphere® columns remain widely referenced within both industry and academia and are recognised to provide excellent chromatographic performance.

• 3 and 5 μm spherical porous silica
• High reproducibility, narrow particle size distribution
• Optimal surface coverage for long column lifetime

Avantor® Ultrasphere® ODS (3 µm) and Octyl phases are available in both standard analytical column hardware and a high efficiency Ultrasphere-XL High Speed cartridge column design, which includes an integral cartridge column holder assembly.