Copper (Cu) - 1 PPM Back Catalog number: 50590 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9930.24-5MG 10:2 Di-PAPS-d4, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. Price on request 11274.19-100-AN Picolinafen-d4 (4-fluorophenyl-d4),100 µg/mL,acetonitrile,1mL, Price on request 72045 Chloroethane-d5 Price on request