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微色谱柱分离分光光度法连续测定包头稀土精矿中铈组稀土和钍罗明标1,郭国龙1,徐晶晶1,花榕1,孙玉珍1,张麟熹1(1.江西省抚州市东华理工大学化学生物与材料科学学院)摘 要:通过阳离子交换树脂微色谱柱分离,建立了分光光度法连续测定稀土精矿中铈组稀土和钍的方法.含大量稀土元素和钍的1 mol/L HCl试液流经HD-8阳离子交换树脂微色谱柱,钍和稀土同时被保留在树脂上,用1 mol/L HCl淋洗杂质元素,4 mol/L HCl-2 mol/LNH4Cl洗脱液洗脱稀土,然后柱子用200 g/L NH4Cl溶液转型......
Study on Roast Reaction Kinetics of Baotou Concentrate of Rare Earth with 15% Na2CO3 Additions乔军,柳召刚,马莹,张存瑞,郝先库摘 要:ＴｈｅｒｅｓｅａｒｃｈｏｎｔｈｅｒｏａｓｔｒｅａｃｔｉｏｎｏｆＢａｏｔｏｕｃｏｎｃｅｎｔｒａｔｅｏｆｒａｒｅｅａｒｔｈｗｉｔｈＮａ２ＣＯ３ａｄｄｉｔｉｏｎｓｂｅｇａｎｉｎ１９６３ａｎｄｔｈｅｉｎｄｕｓｔｒｉａｌｓｃａｌｅｅｘｐｅｒｉｍｅｎｔｓ...关键词:......
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Thermal decomposition mechanism of low-content-fluorite Bayan Obo rare earth concentrate roasted with sodium carbonate and its consequent separation studyDan Zou1,Ji Chen1,Jiashi Hu2,Kai Li1,3,Deqian... University3. University of Science and Technology of China摘 要:Thermal decomposition and phase transformation for the mixture of Bayan Obo rare earth concentrate......
Thermal decomposition mechanism of low-content-fluorite Bayan Obo rare earth concentrate roasted with sodium carbonate and its consequent separation studyDan Zou1,Ji Chen1,Jiashi Hu2,Kai Li1,3,Deqian... University3. University of Science and Technology of China摘 要:Thermal decomposition and phase transformation for the mixture of Bayan Obo rare earth concentrate......
Phase change,micro-structure and reaction mechanism during high temperature roasting of high grade rare earth concentrateHuihui Wang1,2,Mei Li1,2,Dongliang Zhang2,Kai Gao2,Jianfei Li2,Zongxi Weng2,Wei Xu21. Mining Research Institute,Inner Mongolia University of Science & Technology2. Key Laboratory of Green Extraction & Efficient Utilization of Light Rare-Earth Resources,Ministry of Education摘 要......
Phase change,micro-structure and reaction mechanism during high temperature roasting of high grade rare earth concentrateHuihui Wang1,2,Mei Li1,2,Dongliang Zhang2,Kai Gao2,Jianfei Li2,Zongxi Weng2,Wei Xu21. Mining Research Institute,Inner Mongolia University of Science & Technology2. Key Laboratory of Green Extraction & Efficient Utilization of Light Rare-Earth Resources,Ministry of Education摘 要......
Development of Rare Earth Hydrometallurgy Technology in China Zhang Guocheng1,Huang Xiaowei1,Xue Xiangxin2,Ying Weijuan1,Li Hongwei1,Long Zhiqi1 (1.General Research Institute for Non-Ferrous Metals...:In this paper, the recent advance of processes for treating Baotou mixed-type rare earths concentrate, bastnasite, and ionic adsorption deposit in China was reviewed. The R & D circumstance and new progresses......
Study on Monoxide Emission Spectrometry of Rare Earth Elements Ⅰ. Determination of Sm in Rare Earth Concentrate by Dual Wavelength Method张在整,张杰,涂传鸿,柯梅生摘 要:ＳｔｕｄｙｏｎＭｏｎｏｘｉｄｅＥｍｉｓｉｏｎＳｐｅｃｔｒｏｍｅｔｒｙｏｆＲａｒｅＥａｒｔｈＥｌｅｍｅｎｔｓⅠ．ＤｅｔｅｒｍｉｎａｔｉｏｎｏｆＳｍｉｎＲａｒｅＥａｒｔｈＣｏｎｃｅｎｔｒａｔｅｂｙＤｕａｌＷａｖｅｌｅｎｇｔｈＭｅｔｈｏｄＺｈａｎｇＺａｉｚ...关键词:......
Development Trend of Rare Earth Standardion Work Zhao Fei1,Zhang Xiuyan1,Ma Jie1,Lin Jirong1 (1.Baotou Research Institute of Rare Earth Applied Technologies, Baotou 014010, China) Abstract:Rare earth standardization was developed along with rare earth industry.In recent decades, great advances have been made in China rare earth industry.This paper describes the status of rare earth......
