HALO 400 A Diphenyl, 3.4 µm, 1.0 x 100mm

Poroshell 120,EC-CN,4.6x150mm,2.7um

HALO 160 Å ES-C18, 2.7 µm, 2.1 x 150mm

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