PCB Congener Internal Standard Mix Back Catalog number: 94569 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C13309000 1-Ethoxy-2-propanol, certified, 0.25g Price on request 2007.12-5MG 3,4,4',5-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 70362-50-4 Price on request 673866 Cloquintocet-mexyl, 10.0 µg/ml, Acetonitrile, 10 Price on request