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 11899.20-K-ME Nefazodone hydrochloride,1000 µg base/mL,MeOH,1mL, Price on request 70237 Norflurazon Price on request 11918.4-10MG Hexachloro-1,3-butadiene-13C4,neat,neat,10mg, Price on request