ing proof or alcohol content. Not until 1816 was the pri-mary standard precisely defined as 12/13th the specific gravity of pure distilled water at the same temperature. In the United States, alcoholic proof is defined as twice the percentage of ABV.

dilute alcohol, specific gravity 0.920, containing 49.5% by weight (57.27% by volume) of ethanol at 15.56°C. Proof spirit definition is - an alcoholic liquor or mixture of ethanol and water that contains 50 percent ethanol by volume at 60°F (16°C). The measurement of alcohol content and the statement of this content on the bottle labels of alcoholic beverages is regulated by law in the United States. It is defined as the number of millilitres (mL) of pure ethanol present in 100 mL (3.4 fl. This type of spirit, with its high alcohol content (much higher than the standard 40 percent) was deemed to be “over-proof,” a term that’s still used in the industry for any spirit (usually rum) with an alcohol content higher than 57.5 percent (Bacardi 151, for example, is 75.5 percent alcohol).

Wörterbuch der deutschen Sprache. Back then, proof was equal to around 1.75 times the alcohol by volume (ABV).

oz) of solution at 20 °C (68 °F). The UK now uses the ABV standard instead of alcohol proof. Alcohol by volume (abbreviated as ABV, abv, or alc/vol) is a standard measure of how much alcohol is contained in a given volume of an alcoholic beverage (expressed as a volume percent). Originally in Great Britain it was the weakest alcohol that would permit ignition of gunpowder moistened with it. Since this was highly sensitive to temperature, it resulted in numerous prob-lems with standardization.

Whiskey with 50 percent alcohol is 100-proof whiskey. The V/V that we spot on the labels of our bottles, basically means alcohol by volume. The measurement is made by determining the specific gravity of the liquor; that is, the weight per unit volume of the liquid compared to that of water. Proof, in liquor distilling, a measure of the absolute alcohol content of a distilled liquor, which is a mixture of alcohol and water. There are better ways of determining alcohol content by volume these days, but they are not as much fun as the old-fashioned way.

Definition, Rechtschreibung, Synonyme und Grammatik von 'Proof' auf Duden online nachschlagen. The purpose of the regulation is to provide pertinent information to the consumer.

The United States was luckier. Today proof is defined as twice the alcohol content by volume.