We want to dope 1% mol of Fe3+ in MgO by precipitation method. All precursors are nitrate salts and NaOH is precipitant.
Francesco Barbangelo
To dope 1% mol of Fe3+ in MgO by precipitation method, you can follow these steps:
- Prepare a solution of 0.01 mol of Fe(NO3)3·9H2O in 100 mL of distilled water. This is the iron source solution.
- Prepare a 0.99 mol of Mg(NO3)2·6H2O solution in 100 mL of distilled water. This is the magnesium source solution.
- Mix the two solutions and stir well. This is the metal nitrate solution.
- Prepare a solution of 2 mol of NaOH in 200 mL of distilled water. This is the precipitant solution.
- Add the precipitant solution dropwise to the metal nitrate solution under constant stirring and at room temperature. A brownish-black precipitate of Fe-doped MgO will form.
- Filter the residue and wash it with distilled water and ethanol several times to remove any impurities and excess NaOH.
- Dry the precipitate in an oven at 80°C for 24 hours.
- Calcine the dried precipitate in a furnace at 600°C for 2 hours to obtain the final product.
- You can find more details and references about this method at
Synthesis of magnesium-based binary powders with high reactivity using a coprecipitation method | SpringerLink
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