Copper (Cu) - 5 PPM Back Catalog number: 50592 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended CA15081900 4-Methoxy-1,3-phenylendiamine, certified, 0.1g Price on request 9449.12-100 Endrin ketone, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 53494-70-5 Price on request 1433.11-1G 4-tert-Amylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 80-46-6 Price on request