2007•Chinese Rare EarthsRequires access

Synthesis and Characterization of Novel Rare Earth Picrates Complexes Derived from Schiff Base

Dong Wen-Kui

Abstract

The Schiff base(L)derived from bisvanillie with o-phenylene-diamine and its rare earth complexes have been synthesized in non-aqueous solution,characterized by elemental analysis,IR,UV,1HNMR,differential thermal analysis(DTA) and molar conductance.The likely formula for the rare earth(Ⅲ) complex maybe suggested as [REL(Pic)(H2O)2](Pic)2·nCH3COCH3(RE= La,Ce,Pr,Nd,n=2;RE=Sm,Eu,n=3),with the central rare earth ions attaining six-coordination.

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Key concepts: Schiff base, Rare earth, Differential thermal analysis, Chemistry, Aqueous solution, Characterization (materials science), Diamine, Thermal analysis