Sulfaphenazole, 100 µg/ml, Methanol, 5ml Back Catalog number: 682399 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 673931 Fipronil-sulfide, 100 µg/ml, Acetonitrile, 5ml Price on request 56114 Silicon (Si) Price on request PFETS Sodium perfluoroethanesulfonate, 50µg/ml in MeOH, 1,2ml Price on request