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than 99.99% from zinc ores, the ore should be subjected to non-oxide media to reach germanium tetrachloride when dissolved with hydrochloric acid. Then, germanium tetrachloride was converted to pure...J. Cent. South Univ. (2016) 23: 2214-2222 DOI: 10.1007/s11771-016-3279-6 Germanium separation and purification by leaching and precipitation Saeid Bayat, Sajjad Aghazadeh, Mohammad Noaparast, Mahdi......
J. Cent. South Univ. Technol. (2010) 17: 972-978 DOI: 10.1007/s11771-010-0586-1 Adsorption characteristics of carbon tetrachloride from aqueous solution onto polyacrylonitrile-based activated... Berlin Heidelberg 2010 Abstract: The isotherm, mechanism and kinetics of carbon tetrachloride (CT) adsorption by polyacrylonitrile-based activated carbon fiber (PAN-ACF) were investigated in batch......
痕量锗的分析进展李丹1,李彪1(1.湖北省武汉市湖北省地质实验研究所)摘 要:锗是一种贵重的稀散金属元素,广泛应用于当代高新科技行业.本文综述了近年来分析样品中痕量锗的试样前处理方法及仪器分析进展.介绍了电热板溶解,微波消解和密闭罐消解前处理样品对测定痕量锗的影响.总结了近年来痕量锗的仪器分析方法包括电感耦合等离子体发射光谱法,原子吸收光谱法,原子荧光光谱法,电感耦合等离子体质谱法,光度法,电化学法和离子色谱法等.指出了不同方法的特点及使用范围,并展望了痕量锗的前处理及其分析方法的发展方向.关键词......
. LIU Fu-cai, YUAN Qin, WANG Tie-yan. Preparation of germanium tetrachloride with soot[J]. Chinese Journal of Rare Metals, 2011(4): 623-626. [24] 蒋 伟, 蒋开喜, 王海北, 蒋训雄, 张邦胜. 一种从锗精矿制备高纯二氧化锗的新工艺[J]. 矿冶, 2007... Table 1 Composition of ash containing germanium (mass fraction, %) 图1 含锗粉煤灰XRD谱 Fig. 1 XRD spectrum of ash containing Ge 由于粉煤灰中酸性氧化物SiO2含量比碱性氧化物CaO,K2O,MgO和Na2O总量要高,该粉煤灰属于酸性渣.粉煤灰中含有一......
Germanium Production in ChinaShen Huasheng;General Research Institute for Non-ferrous Metals, Beijing 100088摘 要:<正>1 .Introduetion Germanium differs... germanium.P一tyPe germanium erystal ean be obtained by doPing high Puritygermanium with 3 valenee element as indium,gallium or boron.Similarlyn一tyPe germanium erys-tal can be doPed with 5 valenee element......
; 文献标志码:A 文章编号:1672-7207(2013)02-0743-06 Hydraulic condensing rules for cement and paste mixed with different proportions of germanium waste WANG.... Yunnan Chihong Zn and Ge Company Ltd, Qujing 655011, China) Abstract: The hydraulic condensing rules after the cement and paste mixed with germanium waste were studied. Firstly different proportions......
) Abstract: Microspheric germanium ion imprinted polymer adsorption material was prepared by hybrid method, employing the complex of germanium tetrachloride and 8-Hydroxyquinoline as template, acrylamide... and similar cavity shows that the germanium tetrachloride and 8-Hydroxyquinoline are completely cleared in SEM spectra. The thermal stability of MIPs is better than that of NIPs, and the initial decomposition......
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Recovering germanium from coal ash by chlorination with ammonium chlorideZHU Guocai, SHI Wenzhong, and TIAN Jun Institute of Nuclear Energy Technology, Tsinghua University, Beijing 102201, China..."><正>A new process of enriching germanium from coal ash was developed. The process involves in mixing the coalash and ammonium chloride and then roasting the mixture to produce germanium chloride......
硬锌渣常压浸取锌铟锗梁艳辉1,2,魏昶1,蒋鹏飞2,李旻廷2,李存兄2,邓志敢2,王国栋-3(1.云南省昆明市昆明理工大学材料与冶金工程学院2.内蒙古自治区呼伦贝尔市呼伦贝尔驰宏矿业有限公司)摘 要:研究硬锌渣两段硫酸常压浸取锌,铟,锗的冶金技术.在Ⅰ段低酸条件下将锌浸出,在Ⅱ段高酸和添加剂共同作用下将铟,锗等有价金属浸出.锌的浸出率达到90%以上,铟的浸出率达到88%以上,锗的浸出率可以达到90.57%以上.关键词:冶金技术; 硬锌渣; 浸取锌铟鍺; 浸出率......