Chromolith® Performance RP-18 endcapped 100-2 HPLC column
All Chromolith® columns are made of monolithic silica with a characteristic bimodal pore structure. Chromolith 2mm columns have macropores with 1.6 μm diameter, giving a column efficiency exceeding 100,000 plates/meter. The mesopores are 13 nm (130 ?), the surface modification is octadecylsilan with full end-capping.
Appearance: passes test
Pressure: ≤ 55 bar
Theoretical Plates (N/m) (Anthracene): ≥ 100000
Capacity factor (Anthracene): 3.9 - 4.6
Tailing (USP): 0.90 - 1.30 %
separation factor (anthracene/progesterone): 2.30 - 2.60