Extraction and stripping of ytterbium (iii) from h2so4 medium by cyanex 923
文献类型：期刊论文
| 作者 | Wang Weiwei; Wang Xianglan; Meng Shulan; Li Hongfei; Li Deqian |
| 刊名 | Journal of rare earths
 |
| 出版日期 | 2006-12-01 |
| 卷号 | 24期号:6页码:685-689 |
| 关键词 | Extraction Stripping Thermodynamics Ytterbium Cyanex 923 Rare earths |
| ISSN号 | 1002-0721 |
| 通讯作者 | Li deqian(ldq@ciac.jl.cn) |
| 英文摘要 | The extraction and stripping of ytterbium (iii) from sulfuric acid medium using cyanex 923 in heptane solution was investigated. the effects of extractant concentration, ph and sulfate ion as well as stripping agents, acidity and temperature on the extraction and stripping were studied. the equilibrium constants and thermodynamic parameters, such as delta h (10.76 kj(.)mol(-1)), delta g (-79.26 kj(.)mol(-1)) and delta s (292.41 j(.)k(-1.)mol(-1)), were calculated. the extraction mechanism and the complex species extracted were determined by slope analysis and frir spectra. furthermore, it was found that the extraction of yb (iii) from sulfuric acid medium by cyanex 923 increased with ph, concentration of so42-, hso4-, and extractant concentration, and approximately a quantitative extraction of yb (iii) was achieved at an equilibrium ph near 3.0, and the extracted complex was ybso4(hso4)(.)2cyanex923((o)). |
| WOS关键词 | ACIDIC CHLORIDE SOLUTIONS ; SOLVENT-EXTRACTION ; SYSTEM |
| WOS研究方向 | Chemistry |
| WOS类目 | Chemistry, Applied |
| 语种 | 英语 |
| WOS记录号 | WOS:000243319700009 |
| 出版者 | METALLURGICAL INDUSTRY PRESS |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2379762 |
| 专题 | 中国科学院大学 |
| 通讯作者 | Li Deqian |
| 作者单位 | 1.Changchun Inst Appl Chem, Key Lab Rare Earth Chem & Phys, Changchun 130022, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang Weiwei,Wang Xianglan,Meng Shulan,et al. Extraction and stripping of ytterbium (iii) from h2so4 medium by cyanex 923[J]. Journal of rare earths,2006,24(6):685-689. |
| APA | Wang Weiwei,Wang Xianglan,Meng Shulan,Li Hongfei,&Li Deqian.(2006).Extraction and stripping of ytterbium (iii) from h2so4 medium by cyanex 923.Journal of rare earths,24(6),685-689. |
| MLA | Wang Weiwei,et al."Extraction and stripping of ytterbium (iii) from h2so4 medium by cyanex 923".Journal of rare earths 24.6(2006):685-689. |
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来源：中国科学院大学
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