2,4'-DDE, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678379 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 54015 Alkalinity as Calcium Carbonate Price on request 71243 4-Aminophenol Price on request 1689.1-1ML Bromoform, in Certan bottle, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 75-25-2 Price on request