Copper (Cu) - 2 PPM Back Catalog number: 50591 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94521 Volatile Standard Price on request 9185.15-10MG Oxazepam-d5 (phenol-d5), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 65854-78-6 Price on request 95265 Additional Volatiles Mix Price on request