Diphenylamine, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678394 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3,6-OPFHPA Perfluoro-3,6-dioxaheptanoic acid (NFDHA), 1.2ml x 50ug/ml, methanol Price on request C13460500 Fenchlorphos-oxon, certified, 0.1g Price on request EPA-1613ISS Internal Standard Spiking Solution, 200ng/ml n Nonane/0.8% toluene, 1,2ml Price on request