4,4'-DDE, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673534 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 50458 TOC Calibration Standard Price on request 40016 PAH Mix (16 anal.), 100µg/mL in Acetonitrile, 1ml Price on request 682464 2,5-Hexanedione, 1000mg Price on request