2,4'-DDE, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673532 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 51178 AK103 RRO Calibration Standard Price on request 15900-1020-100AN5 Cyanazin, 100μg/ml in Acetonitrile, 5ml Price on request 71140 Pentafluorophenylhydrazine Price on request