CHROMABOND SPE Columns, SA/SiOH, 500/500mg, 6mL

Combination phase for SPE analysis of PCBs

Features:
SA: strongly acidic cation exchanger based on silica with benzenesulfonic acid modification
SiOH: unmodified silica for removal of polar compounds

Recommended application:
Extraction of PCBs from waste oil (hexane extract)