12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 14113036 HF Bond Elut LRC-SI, 500mg, 50/PK Price on request 731804 Chromafix C18 ec (S) 171,78 € 12102001 Bond Elut C18, 100mg 1ml, 100/pk 234,61 €