4-Chloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane Back Catalog number: MCDE-3 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 2126.12-100-IO Arochlor 1242 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 53469-21-9 Price on request DF-IS-B40 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 682180 Chlorimuron-ethyl, 100 µg/ml, Acetonitrile, 5ml Price on request