CHROMABOND SPE Columns, C4, 100mg, 1mL, 45µm, 60Å

Butyl modified silica phase for SPE, not endcapped

Features:
Base material silica, pore size 60 Å, particle size 45 µm, specific surface 500 m2/g, pH stability 2–8 butyl phase, not endcapped, carbon content 7 % slightly more polar than C18 or C8, due to shorter alkyl chains the silica surface is not completely shielded

Recommended application:
Nonpolar compounds, Compounds, which are too strongly retained on C18 or C8, e.g., analgetics from blood