The COSMOCORE columns from Nacalai Tesque consist of core-shell particles with a diameter of 2.6 μm. With the 2.6Cholester and the 2.6PBr, two phases with alternative selectivity in comparison to the C18 are available.
2.6Cholester: better selectivity for cis-trans isomers, polyphenols and natural products
2.6PBr: higher retention for hydrophilic compounds and suitable for nucleic acids and derivatives, surfactants, glycosides and peptides
Phase | Modification | Particle size | Pore size | Surface | Endcapping | pH range |
2.6 C18 | C18 | 2.6 µm | 90 Å | 150 m²/g | + | 1.5-10 |
2.6 Cholester | Cholesteryl | 2.6 µm | 90 Å | 150 m²/g | + | 2.0-7.5 |
2.6 PBr | Pentabromobenzyl | 2.6 µm | 90 Å | 150 m²/g | + | 2.0-7.5 |