Mass-Labelled PCB Solution, 1.2ml x 20ng/ml, nonane Back Catalog number: PCB-IS-A20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended A15987150AL-100 Perfluorooctanoic acid, 100µg/mL in Acetonitrile, 1ml Price on request 51123 Discontinued ... Price on request MCBS Mass-Labelled Chlorobenzene Solution/Mixture, 1.2ml, isooctane Price on request