Copper (Cu) - 7 PPM Back Catalog number: 50744 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677288 2,4,5-T, 100 µg/ml, Acetonitrile, 1ml Price on request 2002.12-100-IO 2,3',4,4',5-Pentachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 31508-00-6 Price on request 58032 Germanium (Ge) Price on request