Copper (Cu), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57029 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 681444 4-Acetamidoantipyrine, 10.0 µg/ml, Acetonitrile, Price on request 680784 Propyzamide, 10 µg/ml, Cyclohexane, 10ml Price on request 59615 Mercury (Hg) Price on request