Topsil C18 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® C18 with lower carbon loading (USP L1). Larger pore size extends the application of this C18 phase into amino acids and peptides (as well as small molecules).

• 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
• Because of large pore and moderate carbon loading, Topsil® C18 phase can also be used as AQ-C18 without phase collapse