Topsil CN 150Å Series

Welch Topsil® series HPLC column is a next-generation column by Welch. This series use different silica and provide different selectivity with larger 150Å pore size and greater surface area. Welch Topsil® CN (Cyano – USP L10) columns can be used in both normal phase and revered phase modes.

• High purity silica (99.99%) with 150Å pore size and 260 m2/g surface area
• Endcapped for excellent peak shape and lifetime
• Good for small molecules and peptides