PoraPak N (50/80), 20g Back Catalog number: C-2PPKN Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended 815560.1 Celite 545, 1kg 35,18 € 730642 Chromab. sorbent Alox A, 100g 142,81 € 711035.1000 POLYGOPREP 1000-12, 1000g 2 142,09 €