4,4'-DDE, 100mg Back Catalog number: 674983 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 91836R WS Disinfection By-Products AMP 1 - Cal Check Price on request 685757 Phthalimide, 100µg/ml in Acetonitrile, 1ml Price on request 19132 EPA Method 508 - Performance Check Solution Price on request