Výsledky vyhledávání - "Shigeyoshi Nakayama"

Highly Selective Determination of Copper Corrosion Products by Voltammetric Reduction in a Strongly Alkaline Electrolyte

Autor: Shigeyoshi Nakayama, Takenori Notoya, Toshiyuki Osakai

Publikováno v: Analytical Sciences. 28:323-331

Until recently, there had been two conflicting views about the order of copper oxides (Cu(2)O and CuO) in their cathodic reduction with a neutral or weak alkaline electrolyte (typically 0.1 M KCl). In 2001, we successfully employed a strongly alkalin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ce005165ee598646b1ac30986cc51da
https://doi.org/10.2116/analsci.28.323

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Detection of Pinhole Defects in Plated Layers of Flexible Flat Cables by Anodic Polarization Method

Autor: Takayasu Sugihara, Akihisa Hosoe, Shinji Inazawa, Shigeyoshi Nakayama

Publikováno v: Zairyo-to-Kankyo. 59:70-74

アノード分極法を適用して，フレキシブルフラットケーブル（FFC）の導体部のめっき層を対象に，ピンホール欠陥の定量的な評価法を開発した．当該の導体部は，銅基板上へのニッケル�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0566324701114935469c23576103c2ca
https://doi.org/10.3323/jcorr.59.70

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Mechanistic study of the reduction of copper oxides in alkaline solutions by electrochemical impedance spectroscopy

Autor: Tokiko Kaji, Toshiyuki Osakai, Takenori Notoya, Shigeyoshi Nakayama

Publikováno v: Electrochimica Acta. 53:3493-3499

Electrochemical impedance spectroscopy was used to study the mechanism by which copper oxides are reduced in alkaline solutions. For the reductions of CuO and Cu 2 O, a capacitive loop and also an inductive loop under certain conditions were observed

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b86a67910f5d5193a3fcf367ef33c09f
https://doi.org/10.1016/j.electacta.2007.12.019

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Quantitative Analysis of Copper Sulfides by Voltammetry Using a Strongly Alkaline Solution

Autor: Toshiyuki Osakai, Shigeyoshi Nakayama, Takenori Notoya, Tokiko Kaji

Publikováno v: Zairyo-to-Kankyo. 57:327-333

銅酸化物（Cu2O，CuO）の状態分析法として開発した高アルカリ液を用いるボルタンメトリーにより，銅硫化物（Cu2S，CuS）も併せて定量できるかどうか検討した．Cu2Sの還元ピークは銅酸化�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6239f5f433e35363e006e64a9d99b9ef
https://doi.org/10.3323/jcorr.57.327

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On Standardizing to Voltammetric Determination of Cupric and Cuprous Oxides Formed on Copper

Autor: Masahiro Shibata, Shigeyoshi Nakayama, Toshiyuki Osakai, Takenori Notoya

Publikováno v: BUNSEKI KAGAKU. 51:1145-1151

銅が腐食すると表面に生成する銅酸化物 (Cu2O及びCuO) の分離定量には, これまで中性～弱アルカリ性の電解液を用いるクロノポテンショメトリー法がよく用いられてきたが, 測定時間が長�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::419e906ca130b374f775204a17cbc6b5
https://doi.org/10.2116/bunsekikagaku.51.1145

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Development of Electroless Ni Plating Bath Using Ti (III) Ion Reductant

Autor: Yoshie Tani, Masatoshi Majima, Keigo Obata, Seiichiro Nakao, Keiji Koyama, Donghyun Kim, Shigeyoshi Nakayama, Shinji Inazawa

Publikováno v: Journal of the Surface Finishing Society of Japan. 53:694-697

A novel electroless Ni Plating bath using Ti (III) ions as reluctant was proposed. In an industrial application of this plating bath, stability of the plating bath and plating rate are particularly important. Effects of plating bath components on Ni

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6bdff5c0765ecbc6947ba55104b46f33
https://doi.org/10.4139/sfj.53.694

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