13C LABELED PCB MIXTURE PCBS-77/101/141/178 10UG/ML IN NONANE Back Catalog number: EC-4060 Availability: In the manufacturer's stock Price on request - + Recommended PN-24S 1,4,6-Trichloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request 676770 Isonoruron, 100 µg/ml, Acetonitrile, 1ml Price on request MDD-12389 1,2,3,8,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Price on request