12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 731774 Chromafix HR-XCW (S) 234,86 € 731755 Chromafix HR-XC (S) 234,86 € 730149.250 Chromab. columns NAN,6mL,700/2000/700BIG 2 112,69 €