Alcohol (content in): The proportion of alcohol contained in a wine or the alcoholometric strength of this wine is always expressed in France.
in terms of volume at 15 ° C determined by the principle of Gay Lussac (1778 -1850): pure alcohol has a force equal to 100 degrees and the alcohol content is equal to the number of liters of ethyl alcohol contained in 100 l of wine, these two volumes being measured at a temperature of 15 ° C.
Thus one degree of alcohol corresponds to 1 cm3 of pure alcohol contained in 100 ...
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