Chromolith® Flash RP-18 endcapped 25-4.6 HPLC column
All Chromolith® columns are made of monolithic silica with a characteristic bimodal pore structure. Chromolith 4.6mm columns have macropores with 2 μm diameter, giving a column efficiency exceeding 80,000 plates/meter. The mesopores are 13 nm (130 ?), the surface modification is octadecylsilan with full end-capping.
Carbon content: 17.0 - 18.6 %
Pressure: ≤ 10 bar
stability testing: passes test
Theoretical Plates (N/m) (Anthracene): ≥ 80000
Capacity factor (Anthracene): 3.0 - 4.0
Tailing (USP): 0.90 - 1.55 %