Example of a data sheet for Copper Carbonate

Saturday 10th December 2016

Notice it does not quote the amount of CuCO3, just Cu metal. It also does not quote insight-live.com/glossary/56">LOI percentage (weight loss on ignition, it will be more than 25%). Theoretical copper carbonate is 71.94% CuO (sourced by a mix of copper carbonate and carbonate hydroxide). CuO is 79.9% copper and 20.1% oxygen. Thus, we would expect Cu metal to be 57.5% (in a theoretical material). Since this example has impurities it is a little less, 55.8%.

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Copper Carbonate Basic, Colorant

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