Copper (Cu) - 10 PPM Back Catalog number: 50593 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2691.34-10UG 17ß(H),21 alpha(H)-(22R)-Tetrakishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 79951-54-5 Price on request 92941 Pentachlorophenol Price on request 30222 2,4-Dichlorophenylacetic acid Price on request