2,4'-DDE, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673532 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 20003 EPA Method 8240A/1666 - Purgeable Internal Std Price on request 682064 2,5-Dichloroaniline, 100 µg/ml, Methanol, 5ml Price on request 70470 4-Nitroanisole Price on request