Method for synthesizing bio-medicament/hydrotalcite-like composite material
A composite material and a synthesis method technology are applied in the field of preparation technology of hydrotalcite-like composite materials, can solve problems such as production limitation of biopharmaceutical-LDH nanocomposite materials, and achieve the effects of simple impurity removal, simple and easy method, and simple method.
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Embodiment 1
[0017] 0.003mol Al(NO 3 ) 3 Dissolve in 20mL of distilled water, add 1g of NaOH solution dropwise, observe that a white precipitate is formed first, continue to add NaOH solution until the white precipitate completely disappears, and obtain a colorless and transparent solution, at this time the aluminum ions in the original solution are completely converted into partial Aluminate ions, put the solution in a 250mL three-necked flask for later use; under the conditions of 30°C water bath and magnetic stirring, add saturated glutamic acid solution dropwise to the solution in the flask, and observe the mixture during the dropwise addition. Changes, when it is observed that there is obvious white turbidity, stop adding the glutamic acid solution; at this time, add 0.006mol of Mg(NO 3 ) 2 Dissolved in 20mL distilled water, then the prepared Mg(NO 3 ) 2 Pour the solution directly into the white turbidity, observe the white precipitate and increase rapidly, continue to react for 1...
Embodiment 2
[0021] 0.006mol Al(NO 3 ) 3 Dissolve in 20mL of distilled water, drop into 1.5g of NaOH solution, observe that a white precipitate is produced first, continue to add NaOH solution until the white precipitate completely disappears, and obtain a colorless and transparent solution, which is placed in a flask for later use; at 50 Under the conditions of water bath and magnetic stirring at ℃, add saturated glutamic acid solution dropwise to the solution in the flask, observe the change of the mixed solution during the dropping process, stop adding glutamic acid when obvious white turbidity is observed acid solution; at this time, 0.009mol of Mg(NO 3 ) 2 Dissolved in 20mL distilled water, then the prepared Mg(NO 3 ) 2 Pour the solution directly into the white turbidity, observe the white precipitate and increase rapidly, continue to react for 1 hour under the condition of 50 ° C water bath and magnetic stirring; stop the reaction after 1 hour, centrifugal washing: first wash the...
Embodiment 3
[0023] 0.009mol Al(NO 3 ) 3Dissolve in 20mL of distilled water, drop 2g of NaOH solution, observe that a white precipitate is formed first, continue to add NaOH solution until the white precipitate disappears completely, and obtain a colorless and transparent solution, put the solution in a flask for later use; at 80°C Under the conditions of water bath and magnetic stirring, add saturated glutamic acid solution dropwise to the solution in the flask, observe the change of the mixed solution during the dropping process, stop adding glutamic acid when obvious white turbidity is observed solution; at this time, 0.018mol of Mg(NO 3 ) 2 Dissolved in 20mL distilled water, then the prepared Mg(NO 3 ) 2 Pour the solution directly into the white turbidity, observe that the white precipitate is produced and increases rapidly, and continue to react for 1 hour under the conditions of 80°C water bath and magnetic stirring; stop the reaction after 1 hour, and centrifugal washing: first ...
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