拉曼光谱法在稀土氯化物熔盐体系研究的应用  

Application of Raman spectroscopy in the study of rare earth chloride molten salt system

作　　者：许粲 胡宪伟 于江玉 石忠宁 王兆文 XU Can;HU Xianwei;YU Jiangyu;SHI Zhongning;WANG Zhaowen(Key Laboratory Ecological Metallurgy of Multimetallic Mineral‘Ministry of Education’,School of Metallurgy,Northeastern University,Shenyang 110819,China)

机构地区：[1]东北大学冶金学院,多金属共生矿生态化冶金教育部重点实验室,辽宁沈阳110819

出　　处：《冶金分析》2023年第10期10-18,共9页Metallurgical Analysis

基　　金：国家自然科学基金面上项目(51974081);中央高校基本科研业务专项资金(N2225045)。

摘　　要：氯化物电解工艺是熔盐电解法制备稀土金属及其合金的重要方法,通过高温拉曼光谱技术可以得到其熔体中离子团的相关信息,从而指导生产实践。本文介绍了拉曼光谱技术的原理、在高温检测方面的优势并重点阐述了拉曼光谱技术对于轻、中、重稀土卤化物体系的研究成果。最后,提出了拉曼光谱技术在电解制备稀土金属及其合金用氯化物熔盐体系领域研究的发展方向。The electrolysis of chlorides is an important method to prepare rare earth metals and alloys by molten salt electrolysis method.The relevant information on the complex ions in the molten salts can be obtained by the high-temperature Raman spectroscopy so as to guide the production practice.This paper introduced the principle of Raman spectroscopy and its advantages in high temperature detection.The research results of Raman spectroscopy in rare earth chloride systems in the literature were emphatically described.Finally,the prospect for future research of Raman spectroscopy in the field of molten chloride system for electrolysis preparation of rare earth metals and their alloys was put forward.

关 键 词：拉曼光谱 稀土氯化物体系 熔盐 离子结构 

分 类 号：O657.37[理学—分析化学]