HALO 90 Å Penta-HILIC, 2 µm, 3.0 x 75mm

Poroshell 120 EC-C8,2.1x 75mm,2.7um,T

HALO 90 Å C8, 5 µm, 3.0 x 30mm

HALO 90 Å ES-CN, 5 µm, 3.0 x 5mm, Guard Column 3p