Copper (Cu) - 1 PPM Back Catalog number: 50590 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73200 Pyridaben Price on request 673920 D3-Chloridazon-methyl-desphenyl, 100 µg/ml, Aceto Price on request 93207 8151A Mix B Price on request