PoraPak Q (50/80), 20g Back Catalog number: C-2PPKQ Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended 730641 Chromab. sorbent Alox N, 100g 138,26 € 815340.1 Silica gel 60 0,1-0,2mm, 1kg 73,68 € 711710.100 POLYGOSIL 300-7 C18, 100g 2 010,55 €