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 94571 n-Parrafins and Aromatics / Naphthalenes Price on request 675485 Fenamiphos-sulfone, 10.0 µg/ml, Ethyl acetate, 1 Price on request 680500 Mepanipyrim, 10 µg/ml, Cyclohexane, 10ml Price on request