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Alcohol by volume (ABV) is a measure of how much alcohol (expressed as a percentage of total volume) is included in an alcoholic beverage. Volume percent is a common expression of a Solution 's Concentration. This measurement is assumed as the world standard.

In some countries, alcohol by volume is referred to as degrees Gay-Lussac (after the French chemist Joseph Louis Gay-Lussac). Joseph Louis Gay-Lussac (also Louis Joseph Gay-Lussac, December 6, 1778 – May 9, 1850) was a French chemist

Typical examples

Other measurements

Another way of specifying the amount of alcohol is alcoholic proof. Neutral grain spirit (aka grain neutral spirit ( GNS) pure grain alcohol, or corn liquor) is a clear colorless flammable liquid that A rectified spirit or rectified alcohol is highly concentrated Ethanol (drinking alcohol which has been purified by means of rectification (repeated distillation An "alcoholic proof" is roughly twice the alcohol by volume (although this does vary in some countries).

In the United States, many states legally regulate and tax alcoholic beverages according to alcohol by weight (abw) (expressed as a percentage of total mass). In Chemistry, concentration is the measure of how much of a given substance there is mixed with another substance In some localities, brewers print the abw (rather than abv) on beverage containers, particularly on low-point versions of popular domestic beer brands. REDIRECT Low-alcohol beer#Low-point beer Because alcohol is less dense than the water component of the beverage, alcohol percentage by weight is only 4/5 of the alcohol percentage by volume (e. g. , 3. 2% abw = 4. 0% abv), which has caused confusion among consumers more familiar with the worldwide standard abv.


See also

In Britain a unit of alcohol is defined as 10 millilitres (or approximately 8 Grams of Ethanol (ethyl alcohol
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