HIGH-PURITY

作品数：124被引量：275H指数：8
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  • 期刊=Journal of Rare Earthsx
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Tungsten separation behavior on preparation of high-purity cerium by combined vacuum gravity sedimentation-directional solidification
《Journal of Rare Earths》2024年第6期1182-1186,I0007,共6页Dongwei Zhang Wenli Lu Minglei Xu Dehong Chen Xiaowei Zhang Chuang Yu Wensheng Yang Ruifeng Dong Zhiqiang Wang Liguo Han Zengdong Pang 
Project supported by the National Key Research and Development Program of China(2022YFC2905203);the NationalScience and Technology Major Project of China(J2019-VI-0023-0140)。
In light of the difficult removal of harmful impurity tungsten(W)in Ce metal,in this paper a combined vacuum gravity sedimentation-directional solidification method was innovatively designed and the W separation behav...
关键词：CERIUM Electron beam melting Directional solidification Gravity sedimentation Rare earths 
Effect of cerium on microstructure,texture and properties of ultrahigh-purity copper被引量：1
《Journal of Rare Earths》2024年第1期220-227,I0008,共9页Yunxiao Hua Haitao Liu Kexing Song Jiangwei Wang Yin'gang Guo Jing Tian Huiwen Guo 
Project supported by the Henan Province Science and Technology Tackling Key Problems Project(222102230001);the Henan Province Young Talent Lifting Engineering Project(2021HYTP018);the Central Plain Scholar Workstation Project(224400510025);the National Natural Science Foundation of China(52071133,51904090 and 52071284)。
The effects of Ce addition(310 ppm and 1500 ppm)on the microstructure,texture and properties of ultrahigh-purity copper(99.99999%)were systematically studied using scanning electron microscopy(SEM),transmission electr...
关键词：Ce addition Grain refinement TEXTURE Conductivity Ultrahigh-purity copper Rare earths 
Preparation of high-purity neodymium chloride by solvent extraction in the mixer-settlers： A pilot-scale investigation被引量：4
《Journal of Rare Earths》2017年第11期1133-1140,共8页Fujian Li Qiaoyan He Yanliang Wang Hong Zhou Shuibo Zhang Xiaoqi Sun 
Project supported by'Hundreds Talents Program' from Chinese Academy of Sciences,Science and Technology Major Project of Fujian Province(2015HZ0001-3);National Natural Science Foundation of China(21571179);Science and Technology Major Project of Ganzhou(2017-8)
A novel purification process based on mixer-settlers for high-purity NdClwas developed. Acidic solution and pure NdClsolution were compared to scrub the less-extractable rare earths(REs)(La, Ce, and Pr)from loaded org...
关键词：Solvent extraction PURIFICATION NEODYMIUM HIGH-PURITY Mixer-settlers 
Micro-Column Separation-ICP-MS Determination of REE Impurities in High-Purity Sm2O3
《Journal of Rare Earths》2005年第1期i003-i003,共1页LiJidong WuXing ZhengYongzhang 
Determination of Non-Rare Earth Impurities in High Purity Lanthanum Oxide by Inductively Coupled Plasma Atomic Emission Spectrometry after HPLC Separation Using P507 Resin
《Journal of Rare Earths》2001年第4期299-303,共5页江祖成 胡斌 帅琴 秦永超 王雷 
ProjectsupportedbytheNationalScienceFoundationofChina ( 2 9875 0 2 2 ) ;WuhanMunicipalScience&TechnologyCommis sion
A new method for the determination of trace non-rare earth elements (NREEs) impurities in high-purity lanthanum oxide by HPLC combined with ICP-AES is proposed. The chromatographic retention behaviors of matrix (La) a...
关键词：rare earths HPLC 2-ethylhexyl hydrogen 2-ethylhexylphosphonate (P507) ICP-AES high-purity lanthanum oxide non rare earth impurities 
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