The Co-Precipitation Preparation and Properties of Inorganic Hydrotalcite
In this paper, the optimum conditions for the synthesis of Mg-Al hydrotalcite were studied by changing the different precipitants and different crystallization temperatures. The morphology and structure of the product were characterized by X - ray diffraction (XRD) and infrared spectroscopy (IR). The results show that when the double-drop method was used, NaOH as the precipitating agent, the crystallization temperature was 75 ℃ and the Mg-Al hydrotalcite with good crystallinity and uniform crystal structure can be obtained.
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