Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Back Catalog number: PCB-IS-B Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 679458 2,4'-DDE, 100 µg/ml, Methanol, 1ml Price on request 677645 Sulfachloropyridazine, 100 µg/ml, Acetonitrile, Price on request 95507 Pesticide Standard Price on request