巻号一覧
75 巻 (2024)
- 4 号 p. 185-
- 3 号 p. 140-
- 2 号 p. 97-
- 1 号 p. 35-
75 巻, 3 号
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研究論文
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北田 敦, 鹿取 温希, 石川 快, 深見 一弘, 邑瀬 邦明2024 年 75 巻 3 号 p. 140-144
発行日: 2024/03/01
公開日: 2024/03/05
ジャーナル フリーA concentrated calcium chloride（CaCl2）-based electrodeposition bath was investigated for use in low-toxicity tin-silver（Sn-Ag）alloy plating processes and for facile recovery of metal components from used plating bath（s）. Flat electrodeposition was achieved using a Sn-Ag alloy electrodeposition bath: 5 mM AgCl＋195 mM SnCl2＋12 mM HCl in CaCl2･10H2O. Moreover, a simple pH adjustment and subsequent filtration removed 99% of the silver as precipitate, leaving tin in the solution. Results show that concentrated CaCl2 aqueous solutions might be used as a Sn-Ag alloy plating bath, thereby facilitating the selective recovery of metal components.
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