Mass-Labelled PCDD/PCDF Solution/Mixture , 1.2ml , nonane Back Catalog number: DF-LCS-A Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 677935 D12-Benzo[a]pyrene, 10.0 µg/ml, Acetonitrile, 1m Price on request 79091 Pyridine Price on request 91941 Methylene dithiocyanate Price on request