Mass-Labelled PCB Syringe Spike Solution, 1.2ml, nonane Back Catalog number: PCB-IS-C20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 678379 2,4'-DDE, 100 µg/ml, Acetonitrile, 5ml Price on request 674549 N,N'-Diphenylurea, 250mg Price on request 96037 2,4,6-Tribromoanisole [1 ng/mL] Price on request