Copper (Cu) Back Catalog number: 56029 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PECB Pentachlorobenzene, 1.2mL x 100ug/mL, nonane Price on request 70911 1,2-Dinitrobenzene, 1000µg/ml in MeOH, 1ml Price on request 15900-0210-100AN5 Atraton, 100µg/ml in Acetonitrile, 5ml Price on request