PoraPak Q (50/80), 20g Back Catalog number: C-2PPKQ Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended 730595.1000 Chromab. sorbent XTR, 1000g 271,07 € 5610-2136 VL QuEChERS extract tubes, EN 106,62 € 711580.10 POLYGOSIL 100-10 C18, 10g 186,23 €