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Control of Interlayer Distance of Tartaric Acid, Malic Acid Intercalated LDHs and Studies on Vitamin Interlayed LDHs

Author: WuZheng
Tutor: DuanXue
School: Beijing University of Chemical Technology
Course: Applied Chemistry
Keywords: Hydrotalcite Tartaric acid Malic acid Vitamin Intercalation Supramolecular structure
CLC: O621
Type: Master's thesis
Year: 2004
Downloads: 136
Quote: 1
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Abstract


Controllable Preparation and new vitamins of the paper layer LDHs layer spacing of tartaric acid , malic acid interpolation inserted layer LDHs preparation and performance . Rendering this laboratory backmixing - prepared by precipitation of the tartaric acid, malic acid intercalation LDHs, by changing the pH value of the reaction system during the precipitation obtained with different layer spacing intercalation -LDHs . The results show that the intercalated the LDHs layer spacing increased and then decreased with increasing pH value LDHs layer arrangement of anions . Prepared by ion exchange with supramolecular structure the nicotinic acid intercalated LDHs, was characterized by XRD , FT -IR , TG- DTA and other means to characterize its structure and thermal stability . And release properties of the preliminary study results show that niacin intercalated LDHs in sustained performance in a pH 7.4 buffer solution . Supramolecular structure of pantothenic acid and folic acid , respectively, using the ion exchange method and coprecipitation method intercalated LDHs, XRD , FT -IR , ICP , TG- DTA and other means to study its structure, chemical composition and thermal stability . supramolecular structure model .

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