Silica hydride & ordinary silica HPLC columns for polar, non polar and polymer analytes Choose by columns • Cogent TYPE-C silica™ HPLC columns (silica hydride)   • C8 300 • C18 - Bidentate C18™ • UDC-Cholestrol™ • C8 - Bidentate C8™ • DH - Diamond Hydride™ • Metabolomics kit • PH - Phenyl Hydride™ • Silica-C™ (unmodified) • Suite of columns; for method development • Cogent HPLC columns (End capped, monofunctional bonded)   • Cogent HPS™: C8, C18, Amino, Cyano, Phenyl, Silica • Cogent hQ™: C8, C18 • Cogent high value HPLC columns, Low Cost (Lower cost, trifunctional bonded)   • Cogent eColumns™ • Longer chain, hydrophobic columns   • C27   • C30 • Alternative to MicroBondapack® • Guard columns • Mini Columns for Fast LC   Choose by phase • Amino • C8 • C8 300 • C18 • C27 • C30 • Cholesterol • Cyano • Diamond Hydride™ • Metabolomics kit • Pentafluoro-phenyl (F5) • Phenyl • Silica • Silica-C™ • Wide pore   About Cogent HPLC! Application Notes Column Listing by Phase Method Development for TYPE-C™ Based Columns Ordering Information USP Classifications (for HPLC Columns) Why Buy Cogent™ HPLC Columns?