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《Chemical Research In Chinese Universities》 1985-04
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Complexes of Crown Ether with the Rare Earth Nitrates(Ⅺ)--Studies on Solubilities of the Ternary System, Y(NO_3)_3·3H_2O-B15C5-C_2H_5OH, at18℃

Ren Dehou, Jiang Haiying, He Mingan, Li Chenglin and Pei Hong (Department of Chemistry, Northwest University, Xi' an)  
The solubilities of the ternary system, Y(NO3)3·3H2O·Bl5C5·C2H5OH, at 18℃ have been investigated by the modified semimicro phase equilibrium method. The results indicated that there are two solubility curves for this ternary system, the long one correspounds to the solid phase of the complex, Y(NO3)3·B15C5·3H2O· 1.5C2H6OH, the short one to solid phase of B15C5. The curve of refractive indices for saturated solutions consists of two branch lines, which correspound with two branch lines of solubility curve. We have not found another complex species having different ratios, Y/crown.The behavior of water for this system in equilibrium has been examined. Theresults are: the molecular ratio,H2O/Y(NO3), no matter whether it is in liquidphase or solid phase, is always 3:1.The complex has been isolated from organic solvent, C2H5OH. The composition and properties of this complex (Y(NO3)3·Bl5C5·3H2O·0.65C2H6OH) have been characterized by chemical analysis, UV-spectrometry, infrared snectrometry and thermogravimctric analysis.
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【References】
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1 JIANG HAI-YING REN DE-HOU XUE HONG-FU HUI XI-QING WANG XIU-RONG (Department of Chemistry, Northwest University, Xian);COMPLEXES OF CROWN ETHER WITH THE RARE EARTH NITRATES STUDIES ON SOLUBILITIES OF THE TERNAEY SYSTEM, Y(NO_3)_3·3H_2O-B15C5-CH_3CN, at 18℃[J];Acta Chimica Sinica;1983-07
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1 WANG Ke, ZHU Zhan, GUO Bing nan, LIU Ji ping (School of Chemical Engineering and Materials Science, Beijing Institute of Technology, Beijing100081, China);Preparation and Characterization of Organophilic Montmorillonite[J];Journal of Beijing Institute of Technology;2002-02
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1 DAI Li-jing~1 WANG Yue-min~2 Wang Yue-bo~1 (1.Shanghai Institute of organic Chemistry Chinese Academy of Sciences,Shanghai 200032;2.Department of Chemical Engineering,Shanghai College of Application and Technology,Shanghai 200235);The influence of some commnon metal elements on the microdetermination of sulfur in organic compounds[A];[C];2007
2 LUO Meng~1 WANG Qiang-hua~1 ZHAO Ye~2 WANG Yue-bo~1 (1.Shanghai Institute of organic Chemistry Chinese Academy of Sciences,Shanghai 200032;2.Department of Chemical Engineering,Shanghai College of Application and Technology,Shanghai 200233);Some improvements and standardizations in the microdetermination of phosphorus in organic compounds[A];[C];2007
【Co-references】
Chinese Journal Full-text Database 6 Hits
1 Wang Genglin Zhang Yunshi Yao Xinkan Yan Shiping and Wang Lianyuan( Department of Chemistry, Nankai University );STUDIES ON THE COMPLEX OF Y(NCS)3 AND DIBENZO-18-CROWN-6-I——SYNTHESIS AND CHARACTERIZATION[J];Chemical Research In Chinese Universities;1980-01
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【Secondary References】
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1 He Mingan Ren Xijuan (Department of Chemistry, Northwest University) Yin Cuimei Liu Ziru (Xi'an Modern Chemistry Research Institute);Coordination Behaviour of Samarium Nitrate with Crown Ether B_(15)C_5 in Aceton[J];Journal of Northwest University(Natural Science Edition);1989-04
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