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Volume 18 Issue 1
Oct.  2021
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Article Contents
Zhang Xin, Zhao Baodong, Sun Gensheng, Lin Jing, Jiang Jing. Properties of Hard Chromium Plating in Trihydric Chromate Bath[J]. Chinese Journal of Engineering, 1996, 18(1): 78-83. doi: 10.13374/j.issn1001-053x.1996.01.018
Citation: Zhang Xin, Zhao Baodong, Sun Gensheng, Lin Jing, Jiang Jing. Properties of Hard Chromium Plating in Trihydric Chromate Bath[J]. Chinese Journal of Engineering, 1996, 18(1): 78-83. doi: 10.13374/j.issn1001-053x.1996.01.018

Properties of Hard Chromium Plating in Trihydric Chromate Bath

doi: 10.13374/j.issn1001-053x.1996.01.018
  • Received Date: 1995-08-10
    Available Online: 2021-10-29
  • The technological process of separating Fe(Ⅲ) from rare-earth sulphate leaching selection originated in Baotou rare-earth mine with solvent extraction method has been obtained. The rate of recovery of rare-earth is more then 99%. The content of Fe(Ⅲ) is less than 0.11g/l in the solution after being separated. The 10% loss of rareearth which is resulted from coprecipitation of rare-earth with Fe(Ⅲ) in the process of separatiag femc ion with sediment method is avoided. The composition of extracted complex determined as well.

     

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      沈陽化工大學材料科學與工程學院 沈陽 110142

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