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The proof system in the United States was established around 1848 and was based on percent alcohol rather than specific gravity. Fifty percent alcohol by volume was defined as 100 proof. [4] This is different from 50% volume fraction (expressed as a percentage); the latter does not take into account change in volume on mixing, whereas the ...
Alcohol by volume (abbreviated as alc/vol or ABV) is a standard measure of the volume of alcohol contained in a given volume of an alcoholic beverage, expressed as a volume percent. [ 1 ] [ 2 ] [ 3 ] It is defined as the number of millilitres (mL) of pure ethanol present in 100 mL (3.5 imp fl oz; 3.4 US fl oz) of solution at 20 °C (68 °F).
The concentration of alcohol in a beverage is usually stated as the percentage of alcohol by volume (ABV, the number of milliliters (ml) of pure ethanol in 100 ml of beverage) or as proof. In the United States, proof is twice the percentage of alcohol by volume at 60 degrees Fahrenheit (e.g. 80 proof = 40% ABV).
For example, ordinary vodka, gin, rum and tequila have an alcohol concentration typically around 40% alcohol by volume (80 proof), and liqueurs are typically around 20% alcohol (40 proof). [ 6 ] Everclear is also used as a household "food-grade" cleaner, disinfectant, or stove fuel alcohol because its fumes and odor are less offensive than ...
Some regulations require the labeling of the percentage alcohol content (as ABV or proof) and the use of a warning label. Some countries ban the consumption of alcoholic drinks, but they are legal in most parts of the world. The temperance movement advocates against the consumption of alcoholic beverages. [2]
Since the 1890s, standard vodkas have been 40% alcohol by volume (ABV) (80 U.S. proof). [4] The European Union has established a minimum alcohol content of 37.5% for vodka. [ 5 ] [ 6 ] Vodka in the United States must have a minimum alcohol content of 40%.
A hydrometer is used during and after the fermentation process to determine the potential alcohol percentage of the moonshine, whereas an alcoholmeter is used after the product has been distilled to determine the volume percent or proof. [citation needed]
Drive-through liquor stores are allowed. Everclear Grain Alcohol Proof 190 (95% alcohol) is legal. A large percentage of the land area of Arizona is in Indian reservations, many of which have liquor laws considerably more restrictive than state law, up to and including total prohibition. "Beer busts" (all the beer/liquor one can drink for a set ...