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 674019 Fenuron, 100 µg/ml, Acetonitrile, 5ml Price on request 79037 Phenanthrene Price on request 678260 Amitrole, 100 µg/ml, Acetonitrile, 1ml Price on request