ASTRA® C18-AQ HPLC column, 5,0 µm 150 mm × 4,6 mm


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ASTRA® HPLC columns extend our ARION® and CHROMSHELL® product lines. The ASTRA® has been developed in the Czech Republic to offer an alternate to a broad range of general HPLC columns. ASTRA® brings completely new and unique stationary phase with the polar embedded group to offer a complementary selectivity.

  • Unique and high endcapped C18 phases.
  • 330 m2/g surface area.
Main particle characteristics
  • Close proximity to a sphere.
  • Highly effective endcapping.
  • No broken particles.
  • Robustness to high pressures.
  • Lot-to-lot reproducibility.
  • Unique modern embedded phases.

ASTRA® column hardware

  • Electropolished with very low Ra reduces wall effect
  • Rated up to 20000 psi (1300 bar), ideal for the UHPLC applications


Particle size 5 μm 3 μm
Metal content <10 ppm <10 ppm
Mean particle diameter 4.6 ± 1.2 μm 3.0 ± 0.7 μm
Proximity to the shape of sphere 0.97 ± 0.04 0.97 ± 0.03

Additional information

ID of column (mm)

Particle Size (µm)

Pore Size (A)

LC Phases


LC column length (mm)

Particle Type

LC technique

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