Ethidimuron, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 675234 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-J20 Mass-Labelled PCDD Internal Standard Solution, 1.2ml, nonane Price on request C17662800 Tribenzylamine, certified, 0.25g Price on request 674921 D8-4,4'-DDT, 10mg Price on request