Macherey-Nagel SPE Cartridge, CHROMABond CN/SIOH BIGpack 6 ml, PP, 5x50/PAK, mit PE-Filterelementen 5x50/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.