Copper (Cu) - 1 PPM Back Catalog number: 50590 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54113 Ammonia as N Price on request 71312 2-(2-Ethoxyethoxy)ethanol Price on request 680861 Diclofenac sodium, 100 µg/ml, Methanol, 1ml Price on request