Copper (Cu) Back Catalog number: 57229 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673688 Pyridaben, 100 µg/ml, Ethyl acetate, 5ml Price on request 63056 2,3,3',4'-Tetrachlorobiphenyl (56) Price on request 71395 4-Amino-2,6-dinitrotoluene Price on request