InertSustain® AQ C18

InertSustain® AQ C18

Maximizing retention for highly polar compounds in reversed phase methods with highly aqueous mobile phases


InertSustain Series

GL Sciences developed new Silica gel “Evolved Surface Silica” for InertSustain Series which provides both high inertness and high durability. Inert-and-sustainable InertSustain Series HPLC columns are the latest models of GL Sciences and are recommended as the first choice for various purpose

InertSustain AQ-C18 columns are designed to achieve strong retention for highly polar compounds, which is the most challenging goals in developing reversed phase methods. The optimization of bonding of the C18 groups at equal distance to the silica gel enable InertSustain AQ-C18 to offer significant retention for highly polar compounds even under water rich mobile phases.


  1. Exceptional retention for highly polar compounds (hydrophilic)
  2. Highly inert packing material results in less tailing of peaks for virtually any type of analytes
  3. Extreme resistance to low and high pH mobile phases
  4. Endlessly reproducible from column-to-column and batch-to-batch

InertSustain AQ C18 Brochure


Particle SizeParticle ShapeSurface AreaPore SizePore VolumeBonded GroupEnd-CappingCarbon LoadpH Range
1.9 µmSpherical350 m2/g100Å0.85 mL/gOctadecyl GroupComplete13%1~10
3 µm
5 µm