Copper (Cu) - 10 PPM Back Catalog number: 50593 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2252.18-10-2AN Zearalanone (Certified Reference Material),10.02 µg/mL,acetonitrile,2mL, Price on request 59014 TCLP Interference Metals Price on request 73146 Ethyl-ß-D-glucuronide Price on request