MilliporeSigma offers a comprehensive range of high-quality HPLC columns. Among these are a wide selection of columns that meet USP (United States Pharmacopoeia) specifications. The L nomenclature was introduced by the USP to designate column types for high-performance liquid chromatography. To help you select the appropriate HPLC column for your application, the table below describes various L columns as well as the corresponding HPLC columns available from MilliporeSigma.
|Gamma alumina, reversed-phase, low carbon percentage by weight alumina-based polybutadiene spherical particles, 5 µm in diameter with a pore diameter of 80Å
||Aluspher® RP-select B