4,4'-DDE, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678380 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 677167 Tetra-n-butyltin, 1000 µg/ml, Methanol, 5ml Price on request 73348 bis(2-Ethylhexyl)terephthalate Price on request 688320 Bromodichloroacetic acid, 100µg/ml in Water, 1ml Price on request