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Many methods currently published as USP monographs utilize the USP Classification of HPLC Columns. This listing of Cogent Columns by USP Classification is published as an aid to scientists using these monographs.

L1     C18 (ODS) bonded to Dp silica ranging from 3µ-10µ.            USP_GraphicHPLC_Column_Photo_USP-Classification

L3     Silica, porous particles, un-bonded, Dp 5µ-10µ.

L7     Octyl (C8) bonded to Silica, 3µ-10µ.

L8     Aminopropyl Silane (NH2) bonded to Dp silica ranging from 3µ-10µ.

L10     Cyano (CN) groups bonded to Dp silica ranging from 3µ-10µ.

L7     Phenyl (C13H25) groups bonded to Dp silica ranging from 3µ-10µ.

 

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