HALO 90 Å ES-CN, 5 µm, 4.6 x 20mm

HALO 90 Å Penta-HILIC, 2 µm, 2.1 x 20mm

HALO 90 Å Biphenyl, 2.7 µm, 10.0 x 50mm

HALO 90 Å PAH, 2.7 µm, 4.6 x 5mm, Guard Column 3p