Macherey-Nagel SPE Cartridge, CHROMABond CN/SIOH 6 ml, 500/1000 mg, PP, 30/PAK

Special silica gel based combination phase for SPE of PAH from soil samples. Cyanopropyl phase for selective adsorption of polycyclic aromatics via π-π interactions and unmodified silica phase for removal of polar compounds.