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Simultaneous determination of some trace metal impurities in high-purity sodium tungstate using coprecipitation and inductively coupled plasma atomic emission spectrometryMA Xiaoguo, KUANG Tongchun... of coprecipitation with inductively coupled plasma atomic emission spectrometry (ICP-AES) was developed for the determination of impurities in high-purity sodium tungstate. Six dements (Co, Cu, Fe, Mn......
High-performance UV detectors based on 2D CVD bismuth oxybromide single-crystal nanosheetsLong Chen,Chengtao Yang,Chaoyi YanState Key Laboratory of Electronic Thin Films and Integrated Devices... their development for practical applications.In this work,high-quality 2D ternary bismuth oxybromide single-crystal nanosheets with a high yield were prepared by space-confined chemical vapor deposition......
Trans. Nonferrous Met. Soc. China 24(2014) 553-560 Valence states, impurities and electrocrystallization behaviors during molten salt electrorefining for preparation of high-purity titanium powder...; accepted 20 January 2014 Abstract: High-purity titanium powder was prepared by molten salt electrorefining from sponge titanium in NaCl-KCl-TiClx salts. The titanium valence, purity......
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L/min的流速下(线速度为0.265 mm/s)分离烷基苯类化合物时,柱效高达4100056000 plates/m,该整体柱重现性良好,连续运行的重现性(RSD)低于1.2%.在亲水/离子交换色谱模式下,该整体柱可应用于核苷和碱基的高效分离.关键词:磺酸甜菜碱;两性离子亲水整体柱;制备;毛细管液相色谱(cLC);......
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; 文献标志码:A 文章编号:1672-7207(2011)09-2595-05 Preparation of high-purity magnesia by solid phase reduction... heptahydrate prepared by magnesite and commercial sulfuric acid was dehydrated to prepare anhydrous magnesium sulfate. High-purity magnesia was obtained by commercial magnesium sulfate and charcoal powder......