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HPLC Columns by USP Classification

This list identifies the selection of USP classified columns we have available within the Cronus brand.

Please contact us to find out more about the most suitable Cronus column for each USP classification. Browse our full range of Cronus HPLC columns.

L1	C18 (ODS) bonded to porous Silica 1.5µm to 10µm in diameter.
L3	Silica (Si) unbonded porous particles. 5um to 10um in diameter
L7	C8 (Octyl) bonded to porous Silica 1.5µm to 10µm in diameter.
L8	NH₂ (Aminopropyl Silane) bonded to totally porous Silica 3µm to 10µm in diameter.
L9	Porous Silica with a chemically bonded, strongly acidic cation-exchange coating (SCX). 3µm to 10µm in diameter
L10	CN (Cyano) groups bonded to porous Silica 3µm to 10µm in diameter.
L11	Phenyl (C₁₃H₂₅) groups bonded to porous Silica 1.5µm to 10µm in diameter.
L14	Silica with a chemically bonded, strongly basic quarternary ammonium anion-exchange coating (SAX), 5µm to 10µm in diameter.