Does anyone know about CVD and sol-gel methods of Mg-Al oxides preparation?

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Simon Sembiring

By sol gel you can mix both of them (Mg-Al) hyroxide with 1:1 by % V. The mixture is stirred under magnetic stirring for 8 hours. To obtain solid component, the sol is acidified by dropwise addition of 5 % HCl solution until the sol was converted into gel.

Venkatesha N J

i need more specific, explanations