Production of precious metal micrometer-sized particles by liquid-phase reduction method using organic aqua regius
| Project/Area Number |
16K12630
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Environmental conscious materials and recycle
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| Research Institution | Chiba University |
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Principal Investigator |
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| Research Collaborator |
Sato Chikara
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| Project Period (FY) |
2016-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2017: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2016: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Keywords | 貴金属 / 液相還元 / マイクロ粒子 / その場観察 / ジメチルスルホキシド / 塩化銅 / パラジウム / 大気圧走査電子顕微鏡 / ASEM / 有機王水 / 液相還元法 / コンペイトウ状 / 環境材料 / リサイクル |
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| Outline of Final Research Achievements |
The author has developed a novel method for refining precious metals using "organic aqua regius". In this work, investigated was the production of precious metal, e.g. Au, Pd, micrometer-sized particles by liquid-phase reduction method using organic aqua regius.
The particle shapes sorted by the dissolution and precipitation conditions were categorized. In-situ observation of gold particle formation in the solution phase was conducted using atmospheric scanning electron microscopy (ASEM).
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Report
(3 results)
Research Products
(5 results)
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[Journal Article] Global distribution of material consumption: Nickel, copper, and iron2017
Author(s)
Nakajima, K., Daigo, I., Nansai, K., Matsubae, K., Takayanagi, W., Tomita, M., Matsuno, Y.
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Journal Title
Resources, Conservation & Recycling
Volume: 133
Pages: 369-374
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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