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 680599 Cerotic acid, 100 µg/ml, Acetonitrile, 1ml Price on request P3MHPS Perfluoro-3-methylheptane sulfonate, 200ul x 1.00ug/ml, methanol Price on request 92988 Acids Standard Price on request