Copper (Cu) - 2 PPM Back Catalog number: 50591 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30026 Bentazon methyl derivative Price on request 2676.8-10MG Tetrabromophthalic anhydride Price on request 10748.18-100-W Iotalamic acid meglumine salt Price on request