PoraPak N (50/80), 20g Back Catalog number: C-2PPKN Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended 730595.5000 Chromab. sorbent XTR, 5000g 25 480,00 Kč 711016.100 POLYGOPREP 60-20 CN, 100g 5 122,00 Kč 730622 Chromab. sorbent Florisil, 100g 2 990,00 Kč