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Sepax Zenix SEC Columns
DescriptionPackingCharacteristicsApplicationOrder InfoDownloads
Made of 3 µm silica particles, Zenix SEC packing is a breakthrough technology for size exclusion chromatography. Combination of 3 µm silica particle size and proprietary surface technology enables highest separation efficiency and resolution for biological molecules and water soluble polymers. Available pore sizes of Zenix packings are 100, 150 and 300Å.

Sepax SEC Product Family Comparison Chart

Product LineSRT®ZenixSRT®-CZenix-C
Particle size5 µm3 µm5 µm3 µm
Pore size (Å)100, 150, 300, 500, 1000 & 200080, 100, 150, 300100, 150, 300, 500, 1000 & 200080, 100, 150, 300
ResolutionHighHighest, Short column for faster separationHighHighest, Short column for faster separation
EfficiencyHighDoubled from 5µmHighDoubled from 5µm
SelectivitySame for SRT® and Zenix™Same for SRT®-C and Zenix™-C
Surface structureChemically bonded stand-up monolayerChemically bonded lay-down monolayer
Recommended Sample TypesMonoclonal antibodies, proteins, peptides, nucleic acids, oligonucleotides, virus, and water-soluble polymers"Tough samples" such as hydrophobic proteins like insulin, membrane protein monoclonal antibodies derivatized with polymer branches, e.g. polypeptide, PEG.
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