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Copper(II) hydroxide is the hydroxide of copper with the chemical formula of Cu(OH) 2.It is a pale greenish blue or bluish green solid. Some forms of copper(II) hydroxide are sold as "stabilized" copper(II) hydroxide, although they likely consist of a mixture of copper(II) carbonate and hydroxide.
Sometimes basic copper carbonate refers to Cu 3 (CO 3) 2 (OH) 2, a blue crystalline solid also known as the mineral azurite. It too has been used as pigment, sometimes under the name mountain blue or blue verditer. Both malachite and azurite can be found in the verdigris patina that is found on weathered brass, bronze, and copper. The ...
Copper is a chemical element with the symbol Cu (from Latin: cuprum) and the atomic number of 29. It is easily recognisable, due to its distinct red-orange color.Copper also has a range of different organic and inorganic salts, having varying oxidation states ranging from (0,I) to (III).
4CuOH + 2 H 2 O + O 2 → 4Cu(OH) 2. It would also be expected to rapidly dehydrate: 2CuOH → Cu 2 O + H 2 O. Solid CuOH would be of interest as a possible intermediate in the formation of copper(I) oxide (Cu 2 O), which has diverse applications. [3] e.g.forapplications for use in solar cells. [4]
Chemically, it is copper(II) hydroxide with the formula Cu(OH) 2. It occurs as blue to blue-green tabular orthorhombic crystal aggregates in a secondary alkaline environment altering chalcocite. Associated minerals include chalcocite, atacamite, native copper, diopside, grossular, and vesuvianite. [3]
BaC 2 O 4: Blue Copper(I) chloride: CuCl The richest blue flame. Almost insoluble in water. Blue Copper(I) oxide: Cu 2 O Lowest cost blue colorant. Blue Copper(II) oxide: CuO Used with chlorine donors. Excellent in composite stars. Blue Basic copper carbonate CuCO 3 ·Cu(OH) 2, 2 CuCO 3 ·Cu(OH) 2: Occurs naturally as malachite and azurite.
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2 if p CO 2 is less than 0.11 atm. [3] In the presence of water or moist air at 25 °C, CuCO 3 is stable only for p CO 2 above 4.57 atmospheres and pH between about 4 and 8. [8] Below that partial pressure, it reacts with water to form a basic carbonate (azurite, Cu 3 (CO 3) 2 (OH) 2). [3] 3 CuCO 3 + H 2 O → Cu 3 (CO 3) 2 (OH) 2 + CO 2