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Aluminum Hydroxide 250gm
Aluminium hydroxide is a chemical compound with the formula Al(OH)3. It is an inorganic compound that is commonly used as an antacid to neutralize excess stomach acid, as well as a component in the manufacture of various products, such as ceramics, paper, and cosmetics. It is a white, powdery substance that is insoluble in water and has a low toxicity. When heated, it decomposes to produce aluminium oxide, or alumina, which is used in the production of aluminium metal.
Description
Uses of Aluminum Hydroxide
Laboratory Uses of Aluminum Hydroxide
- Precipitation Reactions:
- Qualitative Analysis: Used to identify and separate metal ions in solution by precipitating insoluble hydroxides. Al3++3OHāāAl(OH)3text{Al}^{3+} + 3 text{OH}^- rightarrow text{Al(OH)}_3Al3++3OHāāAl(OH)3ā
- Purification: Employed to purify certain compounds by precipitating impurities as hydroxides.
- Buffer Systems:
- pH Control: Used to maintain or adjust the pH of solutions in various experiments due to its amphoteric nature (reacts with both acids and bases).
- Adsorbent:
- Chromatography: Occasionally used as an adsorbent material in chromatographic techniques for separating different compounds.
- Reagent:
- Synthesis: Acts as a starting material or reagent in the synthesis of other aluminum compounds, such as aluminum salts.
- Aluminate Formation: Used in the formation of aluminates for various chemical syntheses. Al(OH)3+NaOHāNaAl(OH)4text{Al(OH)}_3 + text{NaOH} rightarrow text{NaAl(OH)}_4Al(OH)3ā+NaOHāNaAl(OH)4ā
- Analytical Chemistry:
- Gravimetric Analysis: Utilized in gravimetric methods to determine the concentration of aluminum ions in a sample by precipitating aluminum hydroxide and weighing the resultant precipitate.
- Catalyst Support:
- Catalysis: Sometimes used as a support material for catalysts in various chemical reactions due to its high surface area and chemical stability.
- Adsorption Studies:
- Environmental Chemistry: Employed in studies related to adsorption processes, such as the removal of contaminants from water.
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