A Study on Ternary System of LaCl3-Am(Am=Gly, Glu, Ser)-H2O(25℃)

Abstract

Abstract: Three systems of LaCl₃-Am-H₂O(Am=Gly, Glu, Ser) were strudied. Solubilities and refraction indices of saturated solutions of these systems were measured at 25±0. 05℃ and corresponding equilibrium diagrams were constructed. In these systems there are 4 ternary complexes-La(Gly)Cl₃·2H₂O(A₁), La(Gly)₃Cl₃ · 3H₂O(A₂), La₂(Glu)₃Cl₆ · 8H₂O(C), La(Ser)Cl₃ · 3H₂O (E). The complexes are not yet found in literatures except(A₂), and they were characterized by molar conductivity, IR spectra, X-ray diffraction, Thermogravimetric and differential analysis.

Key words: Lanthanum chloride, Glycine, Glutamtc acid, Serine, Ternary system

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Chen Juxiang, Ran Xinquan, Guo Zhizhen, Chen Yunsheng . A Study on Ternary System of LaCl₃-Am(Am=Gly, Glu, Ser)-H₂O(25℃)[J]. Chem. J. Chinese Universities, 1990, 11(6): 555.

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A Study on Ternary System of LaCl₃-Am(Am=Gly, Glu, Ser)-H₂O(25℃)

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