Preparation and enantiosorption of L-aspartic acid pillared hydrotalcites

被引：0

作者：

彭霞辉 ^{[1
]}

黄可龙 ^{[2
]}

机构：

[1] Department of Chemistry and Environment Science, Changsha University

[2] School of Chemistry and Chemical Engineering, Central South University

来源：

Journal of Central South University | 2007年 / 04期

基金：

中国国家自然科学基金;

关键词：

L-aspartic acid; hydrotalcites; preparation; enantiosorption; phenylalanine;

D O I：

暂无

中图分类号：

O611.3 [性质]; O647.3 [吸附];

学科分类号：

070301 ; 070304 ; 081704 ;

摘要：

L-aspartic acid(Asp)pillared hydrotalcites were prepared by direct reaction of the L-Asp anion with layered double hydroxides(LDHs).The obtained samples were characterized by X-ray diffractometry(XRD),Fourier transform infrared(FTIR),and thermogravimetric and differential thermal analysis(TG/DTA).The results show that the initial interlayer carbonate ions can be completely replaced by the L-Asp anion under the controlled conditions.The pillared hydrotalcites have a crystallized supramolecular structure and thermal stability.The L-Asp pillared LDHs were used in the enantiosorption of enantiopure phenylalanine(Phe),the results suggest that L-Asp pillared LDHs exhibit an excellent enantiosorption capability for D-Phe,and the adsorption isotherm fits Freundlich equation.

引用

页码：520 / 523

页数：4

共 50 条

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[J]. JOURNAL OF CENTRAL SOUTH UNIVERSITY OF TECHNOLOGY, 2007, 14 (04): : 520 - 523
[2] Preparation and enantiosorption of L-aspartic acid pillared hydrotalcites
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