
The measure of total acid in must or wine, which is expressed as its tataric acid content.
Found on
http://www.nebraskawines.com/wine-glossary/

Also called TA and sometimes total acidity, titratable acidity is the sum of the fixed and volatile acids present in a wine. This is determined by a chemical process called titration. The titratable acidity is usually expressed in terms of tartaric acid, even though the other acids are also measured. Titratable acidity is expressed either as a perc...
Found on
https://www.encyclo.co.uk/local/22309
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