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 10669.32-50-CF Secalonic Acid D Price on request 3847.6-K-IP Resorcinol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 108-46-3 Price on request 684729 AQC, 10mg Price on request