Copper (Cu) - 5 PPM Back Catalog number: 50592 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676573 Phthalic acid, 250mg Price on request A280480 Adenine, 25g Price on request 9838.12-K-ME Furosemid, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 54-31-9 Price on request