SPE Sorbens (Bulk), CHROMABOND SA

Description

Packing material, sorbent for SPE applications. Benzenesulfonic acid-modified silica gel, strongly acidic cation exchanger (SCX, capacity ~ 0.5 meq/g), sorbent with hydrophobic and π-π interactions (benzene ring), ion exchange of organic compounds from aqueous matrix, elution of compounds of interest with solvent systems that abolish the ionic and non-polar interactions, e.g. methanolic HCl.