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 93904 Aliphatic Hydrocarbon Calibration #2 Price on request 71521 Naphtha Price on request 93111 Aroclor 1254 Price on request