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Purification of copper powders produced by cementation from the cementing metal (1987)

Artamonov, V. P. ; Pomosov, A. V.

Springer

Powder metallurgy and metal ceramics 26 (1987), S. 4-5

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ISSN: 1573-9066

Source: Springer Online Journal Archives 1860-2000

Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics

Notes: Conclusions A copper powder produced by cementing copper with iron from a sulfate solution can be purified from iron by treatment with a sulfuric acid solution. Reverse dissolution of copper in this process can be reduced by employing a protective atmosphere generated by the addition of sodium carbonate to the H2SO4, solution. A necessary condition for the effective purification of finely divided copper from the cementing metal is deposition of copper in loose form.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00794253

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