Copper (Cu) - 5 PPM Back Catalog number: 50592 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10728.4-10MG Methional 13C3 (1,2,3-13C3) Price on request 674789 PSA-C18-Mix 6 Price on request 8537.16-100MG n-Butyl iso-butyl phthalate (n-Butyl 2-methylpropyl phthalate), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 17851-53-5 Price on request