PoraPak N (50/80), 20g Back Catalog number: C-2PPKN Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended 711570.100 POLYGOSIL 100-7 C18, 100g 41 860,00 Kč 730628 Chromab. sorbent C18 Hydra, 100g 7 098,00 Kč C-CTX20 Carbotrap X 20/40, 10g Price on request