2,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673527 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 98654 PAH Standard (50 ppm) Price on request CRM14799.9-50-ME Perfluorononanesulfonic acid, 50µg/ml in MeOH, 1ml Price on request 79361 Naphthalene Price on request