PoraPak Q (50/80), 20g Back Catalog number: C-2PPKQ Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended C-CTQI5 Sorbent, Quartz Insert, pk 5 Price on request 711011.1000 POLYGOPREP 60-80 C18, 1000g 1 350,92 € 711017.1000 POLYGOPREP 60-30 CN, 1000g 1 467,02 €