FIELD: chemistry.
SUBSTANCE: invention relates to method of obtaining and application of obtained gold catalyst for oxidation of aldehyde groups into carboxyl functional groups. By means of catalyst it is possible to oxidise glucose into gluconic acid, and lactose - into lactobionic acid. Method of obtaining catalyst on porous metal oxide carrier for carbohydrate oxidation is characterised by the fact that gold precursor is precursor, obtained by ionic float extraction from gold scrap, and precursor reducer is sodium hydrazine hydrate or borohydrate.
EFFECT: use of wastes ensures material-preserving factor of the method.
1 cl, 5 ex
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