Copper AA Standard (Cu) Back Catalog number: 50462 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50189 Metals Calibration Standard Revised Price on request 79287 gamma-BHC Price on request 9462.37-K-IO Tri(butylcresyl)butane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1843-03-4 Price on request