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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/27096


    Title: EFFECT OF CHROMATE ION ON ZINC ELECTROWINNING FROM ACID SULFATE ELECTROLYTE
    Authors: LIN,JC;TSAI,SL
    Contributors: 機械工程學系
    Keywords: REDUCTION;CHROMIUM
    Date: 1994
    Issue Date: 2010-06-29 18:07:38 (UTC+8)
    Publisher: 中央大學
    Abstract: The effect of chromate ion and its interaction with antimony and glue on zinc electrowinning from acid sulphate electrolyte were studied. During electrolysis at 430 A m-2 and 45-degrees-C, the chromate ion was found to polarize the cathodic reaction resulting in a refined zinc deposit having a morphology featuring a vertical orientation of the zinc platelets. Although chromium did not codeposit, the current efficiency for zinc deposition was dramatically decreased in the presence of > 1000 mg dm-3. This effect became more pronounced when the electrolyte also contained additives such as antimony and glue.
    Relation: JOURNAL OF APPLIED ELECTROCHEMISTRY
    Appears in Collections:[機械工程研究所] 期刊論文

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