WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml Back Catalog number: P48-W-ES Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 676943 4,4'-Difluorobenzophenone, 100mg Price on request 3572.10-K-IO 8-Methylquinoline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 611-32-5 Price on request X9018 Benzo(k)fluoranthene Price on request