PoraPak Q (50/80), 20g Back Catalog number: C-2PPKQ Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended 5610-2140 Primary Secondary Amine (PSA), 100g 231,05 € 815060.5 Cellulose MN 2102, 5kg 274,61 € 730642 Chromab. sorbent Alox A, 100g 138,26 €