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The adsorption of dialkyl di- and mono-thiophosphinates on gold, silver and gold-silver alloys has been studied in the present work. These reagents, which are selective collectors for sulfide flotation, are known to improve noble metals recovery from ores. Voltammetric studies have indicated that dithiophosphinate adsorbs on gold at much higher potentials than on silver, while monothiophosphinate adsorbs only on silver. However, both adsorb on gold-silver alloys with the adsorption potential decreasing with increasing silver content. Using FTIR spectroscopic measurements, the surface species formed during the interactions of these collectors have been identified. The results of the electrochemical and spectroscopic measurements have been compared with the contact angle data obtained at controlled potential conditions.
収録刊行物
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- 資源と素材
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資源と素材 115 (4), 226-232, 1999
一般社団法人 資源・素材学会
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詳細情報 詳細情報について
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- CRID
- 1390282680993140992
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- NII論文ID
- 10002469441
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- NII書誌ID
- AN10062646
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- COI
- 1:CAS:528:DyaK1MXjtVOls70%3D
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- ISSN
- 18806244
- 09161740
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- NDL書誌ID
- 4728052
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可