SPE column, CHROMABOND SiOH-H₂SO₄/SA, 45 µm, 3 mL/500/500 mg

Description

Combination phase for SPE of PCBs from oil with reference to German industrial standard DIN 51527, part 1. H₂SO₄-impregnated silica gel phase for oxidation of accompanying compounds to ionic and/or polar compounds with strongly acidic cation exchanger (SA), based on silica gel with benzene­sulfonic acid modification for removal of ionic and sulfur-containing compounds.