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Nanocrystalline MgAl 2 O 4 spinel powder was synthesized by the urea–formaldehyde (UF) polymer gel combustion route. A transparent gel formed from magnesium nitrate, aluminium nitrate and UF after drying underwet self-sustained combustion when initiated with a burning splinter. The combustion product on calcinations at 850°C formed MgAl 2 O 4 spinel. Calcination of...
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