4,4'-Dichlorodiphenyl ether, 1.2ml x 50ug/ml, nonane Back Catalog number: DPE-15 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 58044 Ruthenium (Ru) Price on request DF-IS-B40 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 12019.3-K-ME 2-Methoxyethanol,1000 µg/mL,MeOH,1mL, Price on request