SPE – SOLID PHASE EXTRACTION SPE – SOLID PHASE EXTRACTION Reversed Phase C8 SPE Cartridge Reversed Phase C18 SPE Cartridge Reversed Phase C18A SPE Cartridge Normal Phase Silica SPE Cartridge Normal Phase Florisil SPE Cartridge Normal Phase Alumina SPE Cartridge Normal Phase Diol SPE Cartridge Normal Phase Cyanopropyl SPE Cartridge Mixed Mode Octyl(C8)/SCX SPE Cartridge Mixed Mode Octyl(C8)/SAX SPE Cartridge Ion-Exchange SCX SPE Cartridge Ion-Exchange SAX SPE Cartridge Ion-Exchange PSA SPE Cartridge Ion-Exchange PRS SPE Cartridge Ion-Exchange Amino (NH2) SPE Cartridge