2,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673531 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 53143 EPA 1620 Standard 5 Price on request 61221 Aroclor 1221 in Transformer Oil Price on request 54328 Bicarbonate Anion (HCO3-) Price on request