290C (554F)

Copper Carbonate decomposes to CuO

Copper carbonate decomposes at 290 °C, giving off carbon dioxide and leaving copper(II) oxide:
CuCO3 (s) → CuO (s) + CO2 (g)

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Materials Copper Carbonate
A source of CuO copper oxide used in ceramic glazes to produce a variety of colors (used only or with other colorants).
Glossary Carbon Burnout
Ceramic materials, especially clays, often contain carbon and organic compounds. When they are fired in a kiln, these must burn out, often producing complications.

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