Nope.
How do you tell how much alcohol a liquid contains? You can measure its density, but in the wild west you knew when they'd been watering back the whiskey because if you mixed it with gunpowder it wouldn't light.
If you mix it with gunpowder and can get the gunpowder to burn you know its at least 50% alcohol by volume. This became know as 100 proof.
30% abv = 60 proof and so on.
It's 70 proof. Therefore, 35% is its alcohol content. Alcohol content is: proof divided by 2
the higher the proof or alcohol percentage the faster the absorption
In the United States, the alcohol-by-volume proof measurement equates to twice the percentage of alcohol content. If a beverage contains 28% alcohol by volume, it would be considered to be 56 proof.
An early means of testing the proof of alcohol was to wet gunpowder with the whiskey. If it burned, whiskey was at least 100 proof (50% alcohol) If it failed to burn, it was lesser proof.
Proof is always double the actual alcohol content of a given product. A seventy proof vodka would contain 35% of pure (100%) ethanol.
100% pure alcohol is 200 proof. So 100 proof is 50% alcohol.
The proof is 50 per cent of the alcohol content. 80 proof is 40% alcohol.
1 ounce = 28.3495 grams; 200 alcohol proof = 100% alcohol content. 2 ounces of 80 proof (40% alcohol) whiskey would be 56.699 grams of whiskey with 22.6796 grams of pure alcohol.
The alcohol content of Goldschlager is 43.5% or 87 proof. Originally the alcohol content was 53.5% or 107 proof. It is a liquer with tiny flakes of gold that float within the liquid, but which only measure up to 13mg per litre.
Dewar's whiskey has a 40% alcohol/volume, it is 80 proof.
It's a 100 proof alcohol, and 50% alcohol content.
40 proof alot