2,4'-DDT, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678381 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 677976 Disulfoton-sulfone, 100 µg/ml, Toluene, 1ml Price on request 678218 Isoproturon-desmethyl, 100 µg/ml, Acetonitrile, 1ml Price on request 90342 Semi-Volatile B/N Mix #2 Price on request