2
2.7
5
90
6.7
7.0
5.5
120
135
90
Complementary selectivity to alkyl phases, enhanced selectivity for aromatic compounds
Electron-poor molecules, aromatic or unsaturated compounds (ketones, nitriles, alkenes)
Aromatic molecules with electron-withdrawing groups (NO2, COOH, COOR, halogens), heterocycles, benzodiazepines, highly aqueous conditions