CHROMAFIX^® C₁₈

Octadecyl modified silica phase for SPE, not endcapped

Base material silica, pore size 60 Å, particle size 45 µm for C₁₈, specific surface 500 m²/g, pH stability 2 to 8 octadecyl phases, not endcapped, carbon content 14 % possesses more free silanols (SiOH), which allow secondary interactions with polar groups of the analytes.

Recommended applications: non-polar compounds, pesticides.