Opalshell C18 Columns

Product Description

Sepax Opalshell™-C18 columns use a core-shell bonded silica stationary phase. This core-shell bonded silica particle has a total size of 2.6 µm, comprised of a 1.6 µm solid silica core with a 0.5 µm porous outer layer. The uniform, spherical particles have a nominal surface area of 150 m2/g with a controlled pore size of 90 Å. The size distribution of the Opalshell™ particles is much narrower than that of conventional totally porous particles. This leads to reduced inter particle spacing in the column, achieving higher efficiency and performance by less eddy diffusion.

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