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1. Basic chemical reaction
Fine-grained aluminum is reacted with fine-grained oxides (hot-rolling scale); two reactions are possible:
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the first is between aluminium and iron monoxide :
The oxidation ratio, i.e. oxygen/aluminium, is TO = 3 × 16 / 2 × 27 = 0.888 ;
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since the rolling oxide also contains Fe 3 O 4...
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