4,4'-DDE, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673534 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended PFS-8327-SSM 8327 Surrogate Spiking Mix 24 687,63 Kč 81203 EPA Method 8121 Internal Standard Price on request N-12324-250MG Clopyralid, 250mg Price on request