Topsil Columns
Topsil is Welch’s Next Generation Silica, with larger pore size and greater surface area, distinguishing Topsil stationary phases from those in our Ultisil Series.
- High purity silica (99.99%) with 150Å pore size and 250m2/g surface area.
- Good for small molecules and peptides.
- Lower back pressure than Ultisil.
