水晶振動子マイクロバランス法による亜鉛電析の研究 Study on Zn Electrodeposition by Quartz Crystal Microbalance Method

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抄録

Natural additive agents in the electrodeposition process have long been used to improve deposition flatness and help prevent impurities from precipitating during deposition. The effective molecular weight and elements of these natural additives during deposition, however, have not been clarified sufficiently to understand the mechanism behind their effectiveness.<br>In this research, we used gelatin having an average molecular weight of 18000, determined by HPLC, as a natural additive. We also used polyethylene glycol (PEG) having average molecular weights of 20000, 6000, and 2000 as a synthetic additive. Mass deposit changes were monitored by QCM.<br>We obtained the following results:<br>1) Mass change during deposition depended on the molecular weight of the additive.<br>2) The deposition rate in the presence of gelatin was lower than that in the presence of PEG.<br>3) Anomalous mass change was detected during deposition in the presence of gelatin and PEG additives. This corresponded to the change in the surface morphology of deposits.

収録刊行物

  • 表面技術 = The Journal of the Surface Finishing Society of Japan  

    表面技術 = The Journal of the Surface Finishing Society of Japan 47(6), 513-517, 1996-06 

    The Surface Finishing Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002256545
  • NII書誌ID(NCID)
    AN1005202X
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09151869
  • NDL 記事登録ID
    3976394
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-291
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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