Copper AA Standard (Cu) Back Catalog number: 50459 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50049 Metals Mix #1 Price on request 677422 2,4-DB, 10 µg/ml, Acetonitrile, 10ml Price on request BDE-21 2,3,4-Tribromodiphenyl ether, 1.2ml x 50ug/ml, nonane Price on request