Copper (Cu) Back Catalog number: 56229 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680964 2-Octanone, 1ml Price on request L20018000IO PCB No. 180, 10µg/mL in Isooctane, 10ml Price on request S-4529-5ML Reference Material ASTM 5010A, 5ml Price on request