誘導結合プラズマ発光分析法によるリン酸塩鉱石中のウランの定量
書誌事項
- タイトル別名
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- Determination of Uranium in Phosphate Minerals by Inductively Coupled Plasma Atomic Emission Spectrometry
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Inductively coupled plasma atomic emission spectrometry (ICP-AES) was applied to the determination of uranium in phosphate rare earth minerals such as xenotime and monazite. The detection limits of uranium was ca. 0.4 ppm. The relative standard deviation was ca. 2%. There was no influence of the inorganic acids in the concentration range from 3 × 10^<-3> to 0.1mol/dm^3, but signal suppression was observed at concentrations above 0.2mol/dm^3. Determination of uranium in phosphate mineral solutions necessitated correction of spectral influeces from coexisting elements. The corrections were easily made from the contents of coexisting elements which were already known. Phosphate minerals were dissolved with hot concentrated sulfuric acid. After insoluble residue was filtrated, the solutions were diluted with water. These sample solutions were directly injected into the plasma. Uranium contents in phosphate minerals were measured by calibration curve method. The Uranium containing in xenotime and monazite were determined to be 0.39〜0.69%, 0.33〜0.40%, respectively.
Departmental Bulletin Paper
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収録刊行物
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- 理工学総合研究所研究報告
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理工学総合研究所研究報告 1 21-27, 1989-01-01
近畿大学理工学総合研究所
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詳細情報 詳細情報について
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- CRID
- 1050001202557219072
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- NII論文ID
- 110001244109
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- NII書誌ID
- AN10074306
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- ISSN
- 09162054
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- 本文言語コード
- ja
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- 資料種別
- departmental bulletin paper
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- データソース種別
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- IRDB
- CiNii Articles