General Description

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 Å), the surface modification is octadecylsilan with full end-capping.

Chromolith® is a registered trademark of Merck KGaA, Darmstadt, Germany