SPE Column BAKERBOND C18, 500mg/3ml, pk/50 Back Catalog number: 7020-03 Availability: In the manufacturer's stock Price (VAT incl.) 301,64 € 249,29 € - + Recommended 4265 3mL Cartridge w/ 200mg Spe-ed Advanta, 50pk Price on request 730072 Chromab. columns SiOH, 70mL, 10g 143,65 € 730139 Chromab. columns Alox N, 6mL, 1000mg 153,16 €