Chromolith® Performance RP-18 endcapped 100-4.6 HPLC columns Validation Kit (3 columns from 3 different batches)
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.
Extent of testing: passes test