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Am. J. Enol. Vitic. 44:1:118-120 (1993)
Copyright © 1993 by the American Society for Enology and Viticulture.
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Automated Determination of Total Acidity in Wines by Flow Injection Analysis

Miguel Peris-Tortajada 1, A. Maquieira 1, and R. Puchades 1

1 Department of Chemistry, Polytechnic University of Valencia, Camino de Vera s/n, 46071 Valencia, Spain.

Two automatic flow injection methods for the determination of total acidity in wine based on an acid-base titration are proposed. Their usefulness was tested by applying them to different wine samples (red, rosé, and white). The results obtained agree with those provided by a batch standard method. The features of both methods make them suitable for adaptation to enological laboratories with a view to continuous or irregular monitoring.

Key words: total acidity, wine, flow injection analysis

Submitted on June 29, 1992






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Copyright © 1993 by the American Society for Enology and Viticulture.