Samples of sodium nitrate supported on magnesium oxide were synthesized using an equal volume impregnation method. The commercial magnesium oxide was submerged in an aqueous solution of sodium nitrate (Sinopharm Chemical Reagent Co., Ltd, AR) with a calculated amount equivalent to 1, 5, 10, 15 wt% of sodium oxide, respectively. The sample was ultrasonically stood at room temperature for 4 hours and then dried in an oven at 120 °C overnight to remove excess water. The resultant material was finally treated with temperature-programmed calcination to 700 °C for 6 h in a muffle furnace in the presence of air and the samples were denoted “1-Na/MgO”, “5-Na/MgO”, “10-Na/MgO”, and “15-Na/MgO”.
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Synthesis of Sodium Nitrate-Supported Magnesium Oxide
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Corresponding Organization : Sinopec (China)
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Variable analysis
independent variables
- Sodium nitrate concentration (1, 5, 10, 15 wt% of sodium oxide)
- Properties of the synthesized sodium nitrate supported on magnesium oxide samples
- Commercial magnesium oxide used as the support material
- Equal volume impregnation method used for synthesis
- Ultrasonic treatment at room temperature for 4 hours
- Drying at 120°C overnight to remove excess water
- Temperature-programmed calcination to 700°C for 6 hours in air
- No positive or negative controls explicitly mentioned
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