Chem. J. Chinese Universities ›› 1986, Vol. 7 ›› Issue (10): 871.
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Hang Haiying, Lu Yugang, Zhang Xifang, Wan Youjia
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Abstract: The solubilities of the ternary system La(NO3)3·4H2O-B12C4-CH3CNat 25℃ have been determined by the semimicro method in order to summarize general information of complexation about rare earth nitrates and crown ether B12C4 in organic solvents.The results indicate that there is only one complex La(NO3)3 B12C4·4H2Oformed,the possibility to form any other complcxs species with different stoichiometry has been ruled out.Arelatively stable complex species La(NO3)3·Bl2C4·2H2Owas synthesized.its characters were described by chemical analysis,I.R.spectra,U.V.spectra,spcctrophotometry,gas chromatogrpny,X-ray diffraction,themogravimetric and differential thermal analysis.
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Hang Haiying, Lu Yugang, Zhang Xifang, Wan Youjia . Complexs of Crown Ether with the Rare Earth Nitrates(XIV)—Studies on Solubilities of the Ternary System La(NO3)3·4H2O-B12C4-CH3CN at25℃[J]. Chem. J. Chinese Universities, 1986, 7(10): 871.
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http://www.cjcu.jlu.edu.cn/EN/Y1986/V7/I10/871
