PSA-Mix 14 Back Catalog number: 685214 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 680368 Clofibric acid, 100 µg/ml, Acetonitrile, 1ml Price on request 679703 13C3-Melamine, 10mg Price on request 672845 Diphenylamine, 250mg Price on request