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Citation: 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, ;2012, 29(5): 527-531. doi: 10.3724/SP.J.1095.2012.00252 shu

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

1.
Jiangsu Key Laboratory of Biofunctional Material, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210097, China

Corresponding author: LI Shuping,
Received Date: 24 June 2011
Available Online: 21 October 2011
Fund Project: 国家自然科学基金(21073093) (21073093)高等学校博士点专项科研基金(20103207120006) (20103207120006)

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.
- layered double hydroxide,
- glutamic acid,
- nanocompounds
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