2,4'-DDE, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678379 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended M0600905 Metamizole impurity A, 15mg Price on request DFP-IS-B10 Mass-Labelled PCDD & PCB Internal Standard Solution, 1.2ml, nonane Price on request 1700-0507 Artificial Perspiration pH 5.5, 200mL Price on request