Piperacillin sodium salt, 100mg Back Catalog number: 675449 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 53137 ICP-MS Solution Kit Price on request 675243 Paraoxon-ethyl, 100 µg/ml, Acetonitrile, 5ml Price on request DF-IS-A40 Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 40ng/ml, nonane Price on request