Welch Materials HPLC Guard Column Cartridge Ultisil XB-Diol, 3 μm, 120Å, 2.1 x 10 mm, 2 pc/PAK

Ultisil Diol Column is based on ultra-pure porous spherical silica bonded with 1,2-dihydroxypropyl functional group silica UltisilDiol is used in normal phase mostly, suitable for separation of peptides, proteins, polar molecules, and organic acids and its polymers.