Formation of super-concentrated hydrochloric acid in the third phase in tertiary amine N235-ptCl(6)(2-)-HCl system and its influences on the Pt microemulsion extraction
文献类型：期刊论文
| 作者 | Huang Kun1; Chen Jing1; Zhang ChengFeng1,2; Li ZhiHong3; Pan QingHua1; Sun Yan1; Liu ShaoXuan1; Liu XueXin2; Li WeiHong1; Yang ZhanLan1 |
| 刊名 | SCIENCE IN CHINA SERIES B-CHEMISTRY
 |
| 出版日期 | 2009-11-01 |
| 卷号 | 52期号:11页码:1825-1834 |
| 关键词 | Solvent Extraction Third Phase Super-concentrated Hydrochloric Acid Tertiary Amine Platinum |
| ISSN号 | 1006-9291 |
| DOI | 10.1007/s11426-009-0264-z |
| 英文摘要 | In this paper, we have investigated the formation of the third-phase in tertiary amine (N235)-PtCl62--HCl system and the microscopic phase structural evolution of platinum-loaded organic phases before and after the occurrence of the third-phase. The third-phase is characterized by various spectroscopic techniques, and the small angle X-ray scattering (SAXS) experiments demonstrate the appearance of nano-aggregates, i.e., water-in-oil reversed micelles, in the third phase. The experimental results indicate that (1) formation of the third phase is related to the aggregation behaviors of nano-reversed micelles in which a super-concentrated hydrochloric acid formed with the H+ to H2O molar ratio being much higher than that of the conventional 37 wt% saturated hydrochloric acid. (2) The occurrence of the super-concentrated HCl results in a great amount of H+ and Cl- ions enriched and confined within the nano-water pools of W/O reversed micelles in third phase. Therefore, the coordination behaviors of platinum complex ions in that super-concentrated hydrochloric acid are very different from their corresponding behaviors in bulk aqueous solutions. It is possible that H+ ions participate in the formation of such complexes as HmPtCl6z+ in the super-concentrated hydrochloric acid. (3) The relative contents of various HmPtCl6z+ complexes are different corresponding to the H+ ion concentrations in confined nanowater pools. The association ability of the acidified tertiary amine N235 molecules (R3NH+) with various HmPtCl6z+ complexes plays an important role in affecting the platinum extraction behaviors. |
| 语种 | 英语 |
| WOS记录号 | WOS:000272032700013 |
| 出版者 | SCIENCE PRESS |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/67669]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Xu YiZhuang |
| 作者单位 | 1.Peking Univ, Coll Chem & Mol Engn, Beijing 100871, Peoples R China 2.Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China 3.Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Huang Kun,Chen Jing,Zhang ChengFeng,et al. Formation of super-concentrated hydrochloric acid in the third phase in tertiary amine N235-ptCl(6)(2-)-HCl system and its influences on the Pt microemulsion extraction[J]. SCIENCE IN CHINA SERIES B-CHEMISTRY,2009,52(11):1825-1834. |
| APA | Huang Kun.,Chen Jing.,Zhang ChengFeng.,Li ZhiHong.,Pan QingHua.,...&Wu JinGuang.(2009).Formation of super-concentrated hydrochloric acid in the third phase in tertiary amine N235-ptCl(6)(2-)-HCl system and its influences on the Pt microemulsion extraction.SCIENCE IN CHINA SERIES B-CHEMISTRY,52(11),1825-1834. |
| MLA | Huang Kun,et al."Formation of super-concentrated hydrochloric acid in the third phase in tertiary amine N235-ptCl(6)(2-)-HCl system and its influences on the Pt microemulsion extraction".SCIENCE IN CHINA SERIES B-CHEMISTRY 52.11(2009):1825-1834. |
入库方式： OAI收割
来源：化学研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。