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Cementation copper


Cementation copper (precipitated copper) is a product obtained by precipitation (cementation), that is, by adding iron to an aqueous solution obtained from leaching of some roasted ores or waste materials. It is a fine black powder containing oxides and insoluble impurities. It is sometimes used in coatings protecting ships from fouling and in agricultural fungicides, but more often it is added to the charge fed into the furnace for smelting copper matte

Source: "Explanations to the Harmonized Commodity Description and Coding System of the Russian Federation (HSN of Russia)" (prepared by the Customs Authority of the Russian Federation) (volume 3, sections XII - XVI, groups 64 - 84)

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