Copper (Cu), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57029 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 92712 BTEX Standard Price on request 90493 Styrene Price on request OCP-MXA Native OC Pesticide Solution/Mixture, 1.2ml, nonane Price on request