Dr. Maisch HPLC Guard Cartridges Hypersil Phenyl, 3.0 μm, 2 x 20 mm, 5pc/PAK

Hypersil phenyl columns are reversed phase materials with very good selectivity for the analysis of aromatic and moderately polar compounds. The columns have a similar retention behavior as Hypersil MOS columns. The particle size is 5 μm and the pore size is 120 Å.