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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......
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......
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...: In this research work, extraction and purification of germanium from zinc leach residues (ZLR) were investigated. The results of ICP, XRF, and atomic adsorption spectroscopy (AAS) tests show that contents......
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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......
Leaching process of germanium oxide dustLIANG Jiea, b and WANG Huaa a Department of Materials and Metallurgical Engineering, Kunming University of Science and Technology, Kunming 650093, China b Chemistry Department, Bijie University, Bijie 551700, China摘 要:A thermodynamic analysis on the acid leaching process of germanium oxide dust and discussion......
原子荧光光谱法测定土壤中的锗周姣花1,钟莅湘1,来克冰1,程祎1,毋喆1(1.河南省郑州市河南省岩矿测试中心)摘 要:用硝酸-氢氟酸-高氯酸-磷酸体系分解土壤样品,在磷酸(1+4)介质中,直接采用原子荧光光度法测定锗.该方法检出限为2.9×10-9,相对标准偏差RSD为1.02%.经国家一级标准物质验证,测定结果与标准值吻合.关键词:原子荧光光谱法; 土壤; 锗; 国家一级标准物质......
人生与符号裴毅然摘 要:<正>童年时代是问号.溜溜的小眼睛看出去,满世界都是新鲜,圆圆的小脑瓜里塞满了问号.问天问地问人,一个问号就是一条求知的路径.少年时代是等号.小学,中学教的全是公理,公式,毋庸置疑,板上钉钉.所学的全是等号,符号两头永远相等.这一时期,我们需要承接人类积累的所有经验,大口吞食,勤学强记.问号在退关键词:......