PSA-C18-Mix 4 Back Catalog number: 674493 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 91784 Primary Calibration PID (VPH) Price on request 95475 1,2-Dihydro-1,1,6-trimethylnaphthalene Price on request 18000-2529-100ME5 Guanylurea-HCl, 100µg/ml in MeOH, 5ml Price on request