Mass-Labelled PCB Solution , 1.2ml x 20ng/ml, nonane Back Catalog number: PCB-SS-A20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 673575 Etofenprox, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 79810 Deltamethrin, 1000µg/ml in Acetonitrile, 1ml Price on request MBP-54 2,2',6,6'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request