HPLC Guard Column EC 4/2 NUCLEOSHELL Biphenyl, 2.7 µm, 2 x 4 mm, 3 pc/pak

requires column protection system pre-column holder (REF 718966) - for main columns with 2 mm ID

Hydrophobic phase with alternative selectivity compared to classical C18 modifications. The separation principle based on two retention mechanisms - π-π interactions and hydrophobic interactions. This provides better retention of aromatic and unsaturated substances. This stationary HPLC phase is based on core-shell technology silica gel particles and shows excellent performance under highly aqueous conditions. Suitable for LC/MS due to low bleeding characteristics.