Copper AA Standard (Cu) Back Catalog number: 50462 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675920 Cafestol, 10mg Price on request 0049.20-10MG 6-Nitrobenzo[a]pyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 63041-90-7 Price on request 90518 Phenols Standard Price on request