4,4'-DDD, 10.0 µg/ml, Cyclohexane, 10ml Back Catalog number: 679107 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 53064 Spiking Standard 1 Price on request 675729 Ofurace, 10 µg/ml, Ethyl acetate, 10ml Price on request X9020 Benzo(a)pyrene Price on request