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 66137 2,2',3,4,4',5-Hexachlorobiphenyl (137) Price on request 2223.12-100-IO 3'-Fluoro-2,4,5-trichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 58911 Sodium (Na) Price on request