Macroporous metal oxide foams through self-sustained combustion reactions
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A number of macroporous metal oxide foams were prepared through self-sustained combustion reactions starting from dough made of the corresponding metal nitrate, urea and starch. The nitrate ion acts as an oxidizing agent, urea as fuel and starch as an organic binder. The metal oxide foams are characterized by scanning electron microscopy and powder X-ray diffraction.
KeywordsMacroporous solids Oxide foams Combustion synthesis
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