Flotation-Spectrophotometric Determination of Germanium with Phenylfluorone in Coal Ash
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- SHIDA Junichi
- Department of Applied Chemistry, Faculty of Engineering, Yamagata University
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- TAKAHASHI Yoshiko
- Department of Applied Chemistry, Faculty of Engineering, Yamagata University
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- OJIMA Koichi
- Department of Applied Chemistry, Faculty of Engineering, Yamagata University
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- MATSUO Tsutomu
- Department of Applied Chemistry, Faculty of Engineering, Yamagata University
書誌事項
- タイトル別名
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- Flotation-spectrohotometric determination of germanium with phenylfluorone in coal fly ash.
- Flotation Spectrophotometric Determinat
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説明
A precise and accurate method based on the flotation-spectrophotometry has been developed for the microdetermination of germanium in coal fly ash. The germanium-phenylfluorone complex was floated with cyclohexane at the phase boundary and separated from the excess reagent by removing the aqueous phase. Cyclohexane was a suitable extractant for the separation of germanium tetrachloride from foreign ions. Extractability of germanium was 90.3 ± 0.5 %. Coal fly ash was treated with aqua regia and hydrofluoric acid in a teflon decomposition vessel, and germanium was determined as phenylfluorone complex in a cyclohexane-ethanol medium at 505 nm. The absorbance of the reagent blank was 0.010 ± 0.002. The accuracy of the proposed method was studied by analyzing synthetic samples and NBS 1633 coal fly ash.
収録刊行物
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- 分析化学
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分析化学 33 (5), E143-E149, 1984
公益社団法人 日本分析化学会
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詳細情報 詳細情報について
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- CRID
- 1390282679029879040
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- NII論文ID
- 110002908939
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- NII書誌ID
- AN00222633
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- COI
- 1:CAS:528:DyaL2cXksF2lsbc%3D
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- NDL書誌ID
- 2984365
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- ISSN
- 05251931
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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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