High purity inorganic chemicals for the pharmaceutical, aerospace, R&D, and electronic industries.

Cupric Oxide, Powdered, Reagent A.C.S.

Assay: ≥99.0%
CuO
MAXIMUM ALLOWABLE  
Insoluble in dilute hydrochloric acid: 0.02%
Carbon compounds (as C): 0.01%
Chloride (Cl): 0.005%
Nitrogen compounds (as N): 0.002%
Sulfate (SO4): 0.02%
Calcium (Ca): 0.01%
Iron (Fe): 0.05%
Potassium (K): 0.02%
Sodium (Na): 0.05%