Copper (Cu) Back Catalog number: 50743 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PFBA Perfluoro-n-butanoic acid, 50µg/ml in MeOH, 1,2ml Price on request 10675.8-1ML Di(ethylene glycol)butyl ether Price on request 685284 PAH-Mix 4 deuterated, 10µg/ml in Acetonitrile, 1ml Price on request