Copper AA Standard (Cu) Back Catalog number: 50459 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3090.12-50-IO 3-Bromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2113-57-7 Price on request 2224.12-100-IO 2'-Fluoro-2,4,6-trichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 876009-90-4 Price on request 98626 PCB Mix 25 ppb Price on request