Copper (Cu) Back Catalog number: 56029 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11670.12-100-IO 2,2',3-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request X9037 Chlordane Price on request 2833.6-50-ME 2H,3H-Perfluorohex-2-enoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 37759-76-5 Price on request