Presto FF-C18 consists of C18 bonded to monodispersed 2um non-porous silica. It is useful for both biopolymer and synthetic polymer separations, gets very high efficiency with low flow rates, is compatible with conventional HPLC systems, and offers different selectivity.
The data below compares peptide maps done on Cadenza CW-C18 (30nm pore size) vs. Presto FF-C18 (2um non-porous).
320 peaks were generated on Presto FF-C18 vs. 198 peaks on Cadenza CW-C18:
Peptide maps:
Click Here to Enlarge
|
Scherzo SM-C18 is a multi-mode ODS column consisting of ODS + anion ligand + cation ligand.
It is useful for the analysis of polar ionic solutes without the use of ion-pairing additives.
The below image shows a recent LC-MS application for water soluble vitamins on Scherzo SM-C18:
Click Here to Enlarge
|
