4,4'-DDE, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673534 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2651.6-1ML 4-Methyl-1-pentene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 691-37-2 Price on request 53030 Spike Sample Standard 2C (Water) Price on request EC9605-PAR Precision and Recovery Solution, 1.2ml, isooctane Price on request