PSA-Mix 9 Back Catalog number: 680494 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 677881 Desmethyl-metobromuron, 10mg Price on request 94248 Siloxane Standard Price on request 8640.12-50-T 1,2-Dichlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request