Copper (Cu) - 7 PPM Back Catalog number: 50744 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676209 Cymiazole, 100 µg/ml, Acetonitrile, 5ml Price on request 70856 Thidiazuron Price on request 52314 GFAA Calibration Price on request