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Syntheses, Characterizations and Catalytic Activities of Rare Earth Derivatives of Molybdotungstovanado-Phosphoric Heteropoly Acid 韦永德1,单永奎2,周百斌1,马慧媛3,王玉和3 (1.Department of Applied Chemistry..., China) Abstract:Seven new-type pentabasic heteropoly complexes with the general molecular formula K10H5[Ln(PMo5W4V2O39)2]*nH2O(Ln=La, Ce, Pr, Nd, Eu, Gd, Dy) were synthesized. The results of IR, UV, 31P......
Oxidation Reactivities of Organic Sulfur Compounds in Fuel Oil Using Immobilized Heteropoly Acid as Catalyst颜学敏,雷家珩摘 要:Heteropoly acid of Keggin structure phosphotungstic(HPW)and phosphomolybdic(HPMo) were chemically anchored to the modified SBA-15 channel.The materials were used as catalyst for oxidative desulfurization of organic sulfur compounds......
by the acid-alkali titration indicates that the range of pH in which the heteropoly anions can exist stably is pH=3.3~7.6 at room temperature. Key words:rare earths; heteropoly anions; Keggin structure...Synthesis and Properties of Heteropoly Tungstovanadogermanic Complexes with Rare Earths 赵儒铭1,单永奎2,彭军3,周百斌2,马慧媛3 (1.Department of Chemistry, Wuhan University, Wuhan 430072, China;2.Department......
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Synthesis and proton conductibility of ternary germanic heteropoly acidsSANG Xiaoguang and WU QingyinDepartment of Chemistry, Zhejiang University, Hangzhou 310027, China摘 要:<正>The ternary germanic heteropoly acids U5GeW11VO4022H2O and H5GeMo11VO40.24H2O were synthesized for the first time by the stepwise acidification and the stepwise addition......
Synthesis and Properties of Heteropoly Complexes LnHSiW12O40·xH2O柳士忠,王恩波摘 要:<正> The present paper covers seven rare earth-containing tungstosilicate heteropoly complexesLnHSiW12O40·xH2O with Keggin structure(Ln=La,Ce,Pr,Nd,Sm,Eu and Gd)snythesized by doubledecomposition reaction.The synthesized heteropoly complexes were characterized......
Synthesis and Properties of Molybdotungstogallic Heteropoly Complexes吴庆银,宋玉林摘 要:SynthesisandPropertiesofMolybdotungstogallicHeteropolyComplexesWuQingyinandSongYulin(吴庆银)(宋玉林)(DepartmentofChemistry,Liaoning...关键词:......
by hydrochloric acid in the presence of phosphate [J]. Hydrometallurgy, 1986, 16: 27-40. [13] GRMEN S, TIMUR S, ARSHN C, DUMAN I. Acid leaching of scheelite concentrate and production of heteropoly-tungstate...J. Cent. South Univ. (2016) 23: 1312-1317 DOI: 10.1007/s11771-016-3181-2 Coordination leaching of tungsten from scheelite concentrate with phosphorus in nitric acid ZHANG Wen-juan(张文娟)1, YANG Jin......
Anti-Influenza Virus Activity of Heteropoly Complexes Containing Rare Earth ElementsLiu Jie , Wang Enbo Peng Jun, Zhou Yunshan (Department of Chemistry, Northeast Normal University, Changchun 130024, China)摘 要:nfluenza,usualycausedbyinfluenzavirus,isakindofworldwideinfectiousdiseasesthatcannotbecontroledefectivelyatpresent.Themostwid...关键词:......
Inhibition mechanism of aspartic acid on crystal growth of hydroxyapatite HUANG Su-ping(黄苏萍), ZHOU Ke-chao(周科朝), LI Zhi-you(李志友) State Key Laboratory of Powder Metallurgy, Central South...; Abstract: The effects of aspartic acid on the crystal growth, morphology of hydroxyapatite(HAP) crystal were investigated, and the inhibition......