Copper (Cu) - 1 PPM Back Catalog number: 50590 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1320.3-10ML Isopropanol, neat, Solvent-neat, Unit 10mL, # of units-1, Cas.no. 67-63-0 Price on request 3925.40-5MG Lycopene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 502-65-8 Price on request 79586 2,6-Diethylaniline Price on request