D8-4,4'-DDE, 100 µg/ml, Acetone, 1ml Back Catalog number: 676740 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 52105 Inorganic Disinfection By-Products (ClO3-/ClO2-), 1000µg/ml in Water, 100ml Price on request 70260 Pyridine Price on request 680394 Bis(tri-n-butyltin)oxide, 250mg Price on request