4,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673533 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 22016 CLP Semi-Volatile Base/Neutral Surrogate Std Price on request TMTP Tri-m-tolyl phosphate , 1.2ml x 50ug/ml, toluene Price on request 31351 1,1,1,2-Tetrachloroethane Price on request