4,4'-DDT, 100 µg/ml, Cyclohexane, 1ml Back Catalog number: 684390 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 50412 Metals Mix 5A Price on request 57216 Sulfur (S) Price on request 680014 Naptalam, 100 µg/ml, Acetonitrile, 1ml Price on request