Copper (Cu) Back Catalog number: 59259 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673332 Isoproturon, 10.0 µg/ml, Acetonitrile, 10ml Price on request 679334 N-Ethyl-p-toluenesulfonamide, 250mg Price on request 98655 PAH Standard (200 ppm) Price on request