D8-4,4'-DDE, 100 µg/ml, Acetone, 1ml Back Catalog number: 676740 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 31421 Toluene Price on request 9561.16-K-IO Butyldiphenylphosphate, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2752-95-6 Price on request 53089 Calibration Standard Kit Price on request