4,4'-DDE, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678380 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 70308 p-Xylene, 1000µg/ml in MeOH, 1ml Price on request PBB-MXA Native PBB Solution/Mixture, 1.2ml, nonane Price on request 92683 Pesticide Mix #1A Price on request