CHROMABOND SPE Columns, SiOH-H2SO4/SA, 500mg, 3mL

Combination phase for SPE analysis of PCBs

Features:
SiOH-H2SO4: H2SO4-impregnated silica phase for oxidation of accompanying compounds to ionic and/or polar compounds
SA: strongly acidic cation exchanger based on silica with benzene­sulfonic acid modification for removal of ionic and sulfur-containing compounds

Recommended application:
Extraction of PCBs from oil with reference to German industrial standard DIN 51527, part 1