VP guard columns with NUCLEODUR® Sphinx RP - 762392.320

Length: 15 mm, ID: 32 mm, (pack of 2) - Compatible with VarioPrep HPLC column with ID: 8 mm or ID: 10 mm- requires VP guard column holder 8 mm (p/n 718251)

High purity silica phase for HPLC

Bifunctional RP phase, balanced ratio of propylphenyl and C18 ligands endcapped · 15 % C · USP L1 / L11 Properties Key features: Distinct selectivity based on well-balanced bifunctional surface coverage Widens the scope for method development based on additional π-π interactions Suitable for LC/MS due to low bleeding characteristics Technical characteristics: Octadecyl and propylphenyl modified silica  pore size 110 Å; particle sizes 1.8 μm, 3 μm and 5 μm  carbon content 15 %; pH stability 1–10;  high reproducibility and consistent quality Recommended application: Quinolone antibiotics, sulfonamides, xanthines, substituted aromatics