PoraPak Q (50/80), 20g Back Catalog number: C-2PPKQ Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended C-TNXTA Sorbent, Tenax TA, 35/60, 10g Price on request 815320.5 Silica gel 60 0,05-0,2mm, 5kg 251,19 € 815030.5 Aluminium oxide 90 acid, 5kg 332,45 €