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Volume 75 (2024)
- Issue 4 Pages 185-
- Issue 3 Pages 140-
- Issue 2 Pages 97-
- Issue 1 Pages 35-
Volume 75, Issue 3
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Research Papers
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Atsushi KITADA, Haruki KATORI, Kai ISHIKAWA, Kazuhiro FUKAMI, Kuniaki ...2024 Volume 75 Issue 3 Pages 140-144
Published: March 01, 2024
Released on J-STAGE: March 05, 2024
JOURNAL FREE ACCESSA 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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