HIGH-PURITY

作品数：124被引量：275H指数：8
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相关机构：清华大学中南大学哈尔滨工业大学东北大学更多>>
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Impurities analysis of high-purity osmium target for M-cathode application
《Rare Metals》2023年第4期1154-1159,共6页Jun-Da Ma Yang Xia Yuan-Feng Xie Chao Zhang 
financially supported by the Key R&D Program of Ministry of Science and Technology(No.2017YFB0305400)。
Impurities and their distributions in osmium targets for M-type cathodes affect the coating quality on porous tungsten and cathode emission performance.Glow discharge mass spectrometry(GDMS)and X-ray photoelectron spe...
关键词：OSMIUM IMPURITIES PURITY 
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 
Simultaneous determination of some trace metal impurities in high-purity sodium tungstate using coprecipitation and inductively coupled plasma atomic emission spectrometry被引量：3
《Rare Metals》2004年第3期193-196,共4页MAXiaoguo KUANGTongchun LIUQianjun 
A method based on the combination of coprecipitation with inductively coupledplasma atomic emission spectrometry (ICP-AES) was developed for the determination of impurities inhigh-purity sodium tungstate. Six elements...
关键词：analytical chemistry trace metal determination inductively coupled plasmaatomic emission spectrometry (ICP-AES) coprecipitation sodium tungstate 
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 
Preparation　of　High－purity　Sodium　Tungstate　from　Low－grade　Tung－sten－concentrate　with　a　High　Content　of　Calcium　and　Other　Impurities
《Rare Metals》1996年第2期116-122,共7页孙培梅 陈洲溪 李洪桂 李运姣 梁永堂 陈树翘 
A new technological process for production of talium tungstate from low-grade tungsten-concentrate witha high content of calcium and other impurities has been studied. The experiments showed that average tungstenleach...
关键词：Low-grade tungsten-concentrate Mechanical activating causticdecomposition Ion exchange High-purity sodium tungstate 
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