PoraPak N (50/80), 20g Back Catalog number: C-2PPKN Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended 711010.10 POLYGOSIL 60-5, 10g 43,51 € 711700.100 POLYGOPREP 300-50 C4, 100g 361,00 € 730609 Chromab. sorbent SA, 100g 348,66 €