Topsil Silica 150Å Series

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. Bare silica (USP L3) with 150Å pore size and 250 m2/g surface area provides the analyst with a viable option for normal phase HPLC on silica.

• 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