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 30004 EPA Method 500 Series Internal Standard #5 Price on request 60040 Canadian Organophosphorus Pesticides Price on request 71389 n-Butylamine Price on request