| Enrichment of lanthanides in aragonite | |
Qu Chengli1,2,3; Lu Bo1,3; Liu Gang1
| |
| 2009-12-01 | |
| 发表期刊 | JOURNAL OF RARE EARTHS
 |
| ISSN | 1002-0721 |
| 卷号 | 27期号:6页码:1062-1065 |
| 文章类型 | Article |
| 摘要 | Using the constant addition technique, the coprecipitation of lanthanum, gadolinium, and lutetium with aragonite in seawater was experimentally investigated at 25 degrees C. Their concentrations in aragonite overgrowths were determined by inductive coupled plasma mass spectrometer. All these lanthanides were strongly enriched in aragonite overgrowths. The amount of lanthanum, gadolinium, and lutetium incorporated into aragonite accounted for 57%-99%, 50%-89%, and 40%-91% of their initial total amount, respectively. With the increase of aragonite precipitation rate, more lanthanides were incorporated into aragonite while their relative fraction in aragonite overgrowths decreased consistently. It indicated that the coprecipitation of lanthanides with aragonite was controlled by the kinetics of aragonite precipitation.; Using the constant addition technique, the coprecipitation of lanthanum, gadolinium, and lutetium with aragonite in seawater was experimentally investigated at 25 degrees C. Their concentrations in aragonite overgrowths were determined by inductive coupled plasma mass spectrometer. All these lanthanides were strongly enriched in aragonite overgrowths. The amount of lanthanum, gadolinium, and lutetium incorporated into aragonite accounted for 57%-99%, 50%-89%, and 40%-91% of their initial total amount, respectively. With the increase of aragonite precipitation rate, more lanthanides were incorporated into aragonite while their relative fraction in aragonite overgrowths decreased consistently. It indicated that the coprecipitation of lanthanides with aragonite was controlled by the kinetics of aragonite precipitation. |
| 关键词 | Lanthanide Aragonite Enrichment Coprecipitation Precipitation Rare Earths |
| 学科领域 | Chemistry, Applied |
| DOI | 10.1016/S1002-0721(08)60389-0 |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000274040500036 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.qdio.ac.cn/handle/337002/3690 |
| 专题 | 海洋地质与环境重点实验室 实验海洋生物学重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China 2.Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Dev, Yantai 264003, Peoples R China 3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China |
| 第一作者单位 | 中国科学院海洋研究所 |
| 推荐引用方式 GB/T 7714 | Qu Chengli,Lu Bo,Liu Gang. Enrichment of lanthanides in aragonite[J]. JOURNAL OF RARE EARTHS,2009,27(6):1062-1065. |
| APA | Qu Chengli,Lu Bo,&Liu Gang.(2009).Enrichment of lanthanides in aragonite.JOURNAL OF RARE EARTHS,27(6),1062-1065. |
| MLA | Qu Chengli,et al."Enrichment of lanthanides in aragonite".JOURNAL OF RARE EARTHS 27.6(2009):1062-1065. |
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