Copper (Cu) Back Catalog number: 58129 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended P840600 Pyrazinamide, 1g Price on request DF-IS-F40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 1245.9-10ML n-Nonane, neat, Solvent-neat, Unit 10mL, # of units-1, Cas.no. 111-84-2 Price on request