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 676916 Musk ketone, 100mg Price on request 9562.14-K-IO Dibutylphenylphosphate, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2528-36-1 Price on request 3620.12-K-IO 3,3'-Difluorodiphenyl ether, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1800-48-2 Price on request