4,4'-DDD, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673530 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 56134 Selenium (Se) Price on request 56200 Spiking Standard 3 Price on request 31471 Trichloroethene Price on request