4-Ethyltoluene, 100 µg/ml, Methanol, 1ml Back Catalog number: 679999 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 682356 Fenoxasulfone, 100 µg/ml, Acetonitrile, 1ml Price on request 96730 Diethylene glycol Price on request L-PFDOS Sodium perfluoro-1-dodecanesulfonate, 50µg/ml in MeOH, 1,2ml Price on request