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 50151 Phenylarsine oxide Standard Price on request 682703 D-Lactose monohydrate, 1000mg Price on request 52333 ICP-MS Calibration Standard 1 Price on request