"Dioxin-Like" PCBs Calibration Kit , 7 x 500ul, nonane Back Catalog number: WP-CVS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 98848 4,4’-DDE Price on request 683844 Iprobenfos, 100 µg/ml, Acetonitrile, 5ml Price on request 1170.17-K-IO 5,5-Dibutylnonane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6008-17-9 Price on request