Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane Back Catalog number: DF-LCS-B40 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 56161 Hexavalent Chromium (Cr 6+) Price on request 676724 Carbetamide, 250mg Price on request 1024.18-K-TX5 Chrysene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1719-03-5 Price on request