N-Propyl-N′-2-pyridylurea-modified silica as mixed-mode stationary phase with moderate weak anion exchange capacity and pH-dependent surface charge reversal

Autor: Bäurer, Stefanie, Polnick, Stefan, Sánchez-Muñoz, Orlando L., Kramer, Markus, Lämmerhofer, Michael
Zdroj: In Journal of Chromatography A 27 July 2018 1560:45-54
Databáze: ScienceDirect