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en.wikipedia.org/wiki/Copper(II)_oxide

Copper(II) oxide or cupric oxide is the inorganic compound with the formula CuO. A black solid, it is one of the two stable oxides of copper, the other being Cu 2 O or cuprous oxide.As a mineral, it is known as tenorite.It is a product of copper mining and the precursor to many other copper-containing products and chemical compounds.

pubchem.ncbi.nlm.nih.gov/compound/cupric_oxide

Variation among individuals was marked but the highest liver copper concentration recorded (7.59 mmol/kg dry matter) produced no biochemical evidence of copper toxicity. Cupric oxide particles were separated into three fractions, clumps, short rods and long; and 5 mg/kg live weight of each fraction given to steers of 173 kg mean live weight.

study.com/academy/lesson/copper-ii-oxide-formula...

Copper(II) oxide is an ionic compound consisting of copper and oxygen ions. In this lesson, we will discuss its formula, physical properties of the compound and its structure.

www.azonano.com/article.aspx?ArticleID=3395

This article discusses about the properties and applications of copper oxide nanoparticles. Copper is a Block D, Period 4 element, while oxygen is a Block P, Period 2 element. Copper oxide nanoparticles appear as a brownish-black powder. They can be reduced to metallic copper when exposed to hydrogen or carbon monoxide under high temperature.

en.wikipedia.org/wiki/Copper(I)_oxide

Copper(I) oxide or cuprous oxide is the inorganic compound with the formula Cu 2 O. It is one of the principal oxides of copper, the other being CuO or cupric oxide. This red-coloured solid is a component of some antifouling paints. The compound can appear either yellow or red, depending on the size of the particles.

www.sciencedirect.com/science/article/pii/S0254058408002228

In this work, copper oxide films were deposited at different substrate temperatures of 200, 250, 300 and 350 ± 5 °C by ultrasonic spray pyrolysis technique and the effect of substrate temperature on the structural, surface, optical and electrical properties of the films was presented.The film structures were studied by X-ray diffraction (XRD).

pubchem.ncbi.nlm.nih.gov/compound/Copper_I__oxide

The pulmonary uptake of copper oxide /occurred/ in rats exposed to aerosols containing 50-80 mg/cu m. Animals were exposed for 15, 30, 45, or 60 minutes and killed immediately. Another group was exposed for 180 minutes and killed at 0, 3, 6, 12, 18, or 24 hours after exposure.

www.wisegeek.com/what-is-copper-oxide.htm

Although copper is an essential element for mammals, many of its compounds, including both forms of copper oxide, are toxic in all but small doses. If inhaled, copper(I) oxide can cause shortness of breath, coughing, and damage to the respiratory tract.

pdfs.semanticscholar.org/06bc/b89070f353f37b63efff01e2676...

properties of copper oxide films prepared by magnetron sputtering has been reported in the literature. We report the result of our investigation into how the rf power in the range 200W-800W and oxygen flow rate in the range 4sccm to 10sccm, during the

www.reade.com/products/copper-oxide-powder-cuo-and-cu2o

Copper oxide can refer to: Copper(II) oxide (cupric oxide, CuO), a black powder. Copper(I) oxide (cuprous oxide, Cu2O), a red or brown powder . Compounds containing univalent copper are frequently referred to as "cuprous" compounds. The more common compounds of copper are those in which the metal is bivalent or "cupric" compounds.