Merck offers a wide range of very successful and innovative packing materials for HPLC, manufactured in the unique and easy-to-use LiChroCART® cartridge system with its manu-CART® holder. In addition to proven and successful packing materials such as LiChrosorb®, LiChrospher® and Superspher® (irregular, regular and perfectly spherical silica gel sorbents), special sorbents such as Aluspher® (Al2O3) and several chiral phases such as the highly pure Purospher® and Purospher® STAR stationary phases are also available, and they ensure highest performance and efficient chromatography today and tomorrow.
All Chromolith® columns are made of monolithic silica with a characteristic bimodal pore structure. Chromolith® 3mm columns have macropores with 2 µm diameter, giving a column efficiency exceeding 80,000 plates/meter. The mesopores are 13 nm (130 Å), the surface modification is octadecylsilan with full end-capping.
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.
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.
Although the Chromolith® columns are well known for their robustness and longevity, guard columns are available to prolong the lifespan of Chromolith® analytical columns even further. These guard cartridges require a special holder - see part number 152010.0001
Although the Chromolith® columns are well known for their robustness and longevity, guard columns are available to prolong the lifespan of Chromolith® analytical columns even further. These guard cartridges require a special holder - see part number 152012.0001
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® monolithic SemiPrep columns with 10mm internal diameter combine the high speed of separation with very high separation performance and low back-pressure. They give high loading capacity and are the ideal alternative to particulate columns
Chromolith® monolithic SemiPrep columns with 10mm internal diameter combine the high speed of separation with very high separation performance and low back-pressure. They give high loading capacity and are the ideal alternative to particulate columns
All Chromolith® HighResolution columns are made of monolithic silica with a characteristic bimodal pore structure. Chromolith® 4.6 mm columns have macropores with 1.15 µm diameter, giving a column efficiency exceeding 135,000 plates/meter. The mesopores are 15 nm (150 Å), the surface modification is octadecylsilan with full end-capping.
All Chromolith® HighResolution columns are made of monolithic silica with a characteristic bimodal pore structure. Chromolith® 4.6 mm columns have macropores with 1.15 µm diameter, giving a column efficiency exceeding 135,000 plates/meter. The mesopores are 15 nm (150 Å), the surface modification is octadecylsilan with full end-capping.
LiChrosorb® – A Successful Packing Material From the Start!
Merck's LiChrosorb® is one of the most successful and reliable packing materials used in HPLC. LiChrosorb® packing materials offer the complete program of non-polar derivatives (RP-8, RP-18, RP-select B), polar derivatives (Si 60 and Si 100) and medium-polar derivatives (NH2, CN and DIOL). In addition to the analytical cartridges and columns such as LiChroCART® 250-4 and Hibar® RT 250-4, Merck offers LiChroCART® 250-10 semi-preparative cartridges as well as Hibar® RT 250-10 ready-to-use columns, packed with different LiChrosorb® packing materials.
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