SPE column, CHROMABOND SA, 45 µm, 1 mL/100 mg

Description

Silica gel modified with benzenesulfonic acid, strongly acidic cation exchanger (SCX). Capacity ~ 0.5 meq/g, adsorbent with hydrophobic and π-π-π interactions (benzene ring), ion exchange of organic compounds from aqueous matrix, elution of desired compounds with solvent systems that compensate for the ionic and non-polar interactions, e.g. methanol-HCl.