4,4'-DDE, 100 µg/ml, Methanol, 1ml Back Catalog number: 679459 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 53070 Spiking Standard #2 Price on request 59209 Anions Mix Price on request 679942 Procaine hydrochloride, 250mg Price on request