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Spectrofluorimetric determination of gallium with calon-carboxylic acidGAO Jinzhang, TIAN Jianniao, ZHAO Yanchun, YANG Wu, and DENG HualingChemistry and Chemical Engineering College, Northwest Normal University, Lanzhou 730070, China摘 要:<正> A simple and sensitive spectrofluorimetric procedure for the analysis of microquantities of gallium in alloy......
Segregation of Phosphorus and Precipitation of MNP-Type Phosphide at the Grain Boundary of IN706 SuperalloySha Zhang1,2,Linjie Huang1,Anwen Zhang1,Lianxu Yu1,Xin Xin1,Wenru Sun1,Xiaofeng Sun11...">The effect of phosphorus content and heat treatment on the segregation of phosphorus and precipitation of phosphide at the grain boundary of IN706 alloy has been investigated. The phosphide had......
) diffusion bonding using liquid gallium interlayer was investigated. The fatigue specimen was jointed at 460 °C under 10 MPa pressure for 10 min. The TLP bonded samples were homogenized at 465 °C for 2 h... sites and crack growth stages in both samples. Key words: Al7075 alloy; fatigue; transient liquid phase; gallium 1 Introduction Al7075-T6 alloy has low density and high specific strength, as well......
Recovery of gallium from zinc concentrate by pressure oxygen leachingXue-Lan Wu1,2,Wen-Qing Qin1,2,Shun-Ke Wu1,Xi-Hong Ma1,2,Yin-Jian Niu1,3,Cong-Ren Yang1,21. School of Minerals Processing..." name="ChDivSummary">Zinc concentrate with high gallium content is one of the main resources of gallium.The gallium presents in the form of isomorphism in tetrahedron coordination with sulfur......
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;焙烧前后沉淀物的XRD谱 Fig. 10 XRD patterns of sediment before(a) and after(b) calcination 图11 沉淀物的SEM像和EDS谱 Fig. 11 SEM image(a) and EDS spectrum(b) of gallium-rich product 3 结论 1) 采用... Jing. Pretreatment of phosphorus industry flue dust for gallium extraction[J]. The Chinese Journal of Nonferrous Metals, 2004, 14(6): 1025-1030. [2] 刘付朋, 刘志宏, 李玉虎, 刘智勇,李启厚. 锌粉置换镓锗渣高压酸浸的浸出机理[J]. 中国有色金属学报......
;Analysis result of gallium concentrate (mass fraction, %) 图1 镓精矿的XRD谱 Fig. 1 XRD pattern of gallium concentrate 1.2 实验主要设备 实验设备主要有电感耦合等离子体光谱分析仪,X射线衍射光谱仪,烘箱,恒温水浴搅拌器,电动搅拌机,蠕动泵,离子交换柱,直流电源等...,电极间距6 cm,接入直流电源进行电积. 图2 镓精矿提取镓的工艺流程图 Fig. 2 Flowsheet of extraction of gallium from gallium concentrate 2 结果与讨论 2.1 镓精矿的浸出 2.1.1 初始碱度对浸出效果的影响 取200 g镓精矿置于烧杯中,在液固比5,30 ℃的条......
Trans. Nonferrous Met. Soc. China 27(2017) 369-376 Effect of nickel phosphide nanoparticles crystallization on hydrogen evolution reaction catalytic performance Ya-qiong CHEN1,2, Jin-feng ZHANG1,2...; accepted 3 May 2016 Abstract: In order to investigate the effect of nickel phosphide nanoparticles’ (Ni-P NPs) crystallization on hydrogen evolution reaction (HER) catalytic performance, amorphous Ni-P......
In-situ Synthesis of Coral-Like Molybdenum Phosphide(MoP) Microspheres for Lithium-Ion BatteryXinlong Liu,Wei Yang,Zhiting Liu,Haosen Fan,Wenzhi ZhengSchool of Chemistry and Chemical Engineering,Guangzhou University摘 要:Molybdenum phosphide(MoP) has attracted extensive attention as promising anode candidates for lithium-ion batteries owing to its high......
Behavior of 2-ethylhexanoic Acid in Organic Phase of Gallium Extraction吴秋芳,王承明摘 要:<正> The rate of batch extraction of gallium from alkaline aqueous... is insignificant.The extraction of HCl duringthe stripping of gallium is mainly dependent on the concentration of aqueous hydrochloric acid and the con-tent of N601.Under the given conditions......