4,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673533 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 52090 Calibration Standard Kit Price on request SCP150-100-825 CONOSTAN 1000ppm Standard, Pb, 50g Price on request 673535 2,4'-DDT, 10.0 µg/ml, Ethyl acetate, 10ml Price on request