Copper AA Standard (Cu) Back Catalog number: 50460 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82703 EPA Method 8270A - Mix #16 Price on request 8936.4-1G Fumaric acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 110-17-8 Price on request XA14940000AL Metamitron, 100µg/mL in Acetonitrile, 1ml Price on request