PoraPak N (50/80), 20g Back Catalog number: C-2PPKN Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended 711017.1000 POLYGOPREP 60-30 CN, 1000g 1 467,02 € 711580.10 POLYGOSIL 100-10 C18, 10g 183,64 € 730619 Chromab. sorbent NAN, 100g 591,03 €