Copper (Cu) - 1 PPM Back Catalog number: 50590 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8705.12-5MG 2,2',3,3',4',5,6-Heptachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 52663-70-4 Price on request 59456 ICP-MS INF2 Calibration Metals Mix 3 Price on request 57072 Hafnium (Hf) Price on request