Copper (Cu) - 5 PPM Back Catalog number: 50592 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1519.11-K-IO 5-tert-Butyl-2-methylphenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5781-02-2 Price on request 0635.19-K-IO Pristane, 1000µg/ml in Isooctane, 1ml Price on request 33291 Cyclopentane Price on request