Undesirable and harmful metals in wines, determination and removal

Author(s): Gennaro MC, Mentasti E, Sarzanini C, Pesticco A

Abstract

A method is described for the lowering or removal of the metal content of wines. For this purpose, a chelating material is employed, formed from cellulose functionalized with iminodiacetic acid. Its use allows, first, a preconcentration of metals present at trace levels and, secondly, a lowering or removal of undesirable metals. Possible matrix effects, both by organic and inorganic components, have been considered and allowed for in the analytical determination.

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