Copper AA Standard (Cu) Back Catalog number: 50461 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 83537 Acetone-DNPH Price on request 2874.11-50-ME Perfluoroundecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2050-94-8 Price on request 22016 CLP Semi-Volatile Base/Neutral Surrogate Std Price on request