Synthesis of Sphere-like Glutamic Acid/Magnesium-Alumina Layered Double Hydroxides in Weak Acidic Medium

doi:10.3724/SP.J.1095.2012.00252

Chinese Journal of Applied Chemistry

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Synthesis of Sphere-like Glutamic Acid/Magnesium-Alumina Layered Double Hydroxides in Weak Acidic Medium

LI Xin, LI Shuping^*, LU Tianhong

(Jiangsu Key Laboratory of Biofunctional Material,College of Chemistry and
Materials Science,Nanjing Normal University,Nanjing 210097,China)

Received:2011-06-14 Revised:2011-10-17 Published:2012-05-10 Online:2012-05-10

Abstract

Abstract: Glutamic acid(Glu for short)/magnesium-aluminum layered double hydroxide compounds(Mg-Al-LDH) were prepared in weak acidic medium, and the influence of pH values on the properties of Glu/LDH compounds was investigated. It was found that Glu/LDH particles prepared in weak acidic medium were sphere-like with smaller size compared with that of traditional ion-exchange method. Our study also indicated that the variation of pH value could change the morphology and dispersion state of Glu/LDH particles. The reaction mechanism is discussed.

Key words: layered double hydroxide, glutamic acid, nanocompounds

CLC Number:

O621.1

LI Xin, LI Shuping*, LU Tianhong. Synthesis of Sphere-like Glutamic Acid/Magnesium-Alumina Layered Double Hydroxides in Weak Acidic Medium[J]. Chinese Journal of Applied Chemistry, DOI: 10.3724/SP.J.1095.2012.00252.

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Synthesis of Sphere-like Glutamic Acid/Magnesium-Alumina Layered Double Hydroxides in Weak Acidic Medium

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