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 92745 tert-Butanol-d9 Price on request 679326 4-Benzoyl 4'-methyldiphenyl sulfide, 100mg Price on request DF-LCS-A40 Mass-Labelled PCDD/PCDF Solution/Mixture , 1.2ml , nonane Price on request