Also mass percentage/percentage; see under volume percentage.
Unit of measurement for the proportion of a substance in the total volume of a mixture. If you mix 100 litres of ethanol with 100 litres of water, you get 192.75 litres of mixture; this phenomenon is called volume contraction. Since there are 100 litres of alcohol in this 192.75 litre mixture, 100 litres of mixture contain 51.8 litres of...
There is a vast number of sources on the web where one can acquire knowledge about wine. But none has the scope, timeliness and accuracy of the information in the encyclopaedia at wein.plus. I use it regularly and rely on it.
Sigi Hiss
freier Autor und Weinberater (Fine, Vinum u.a.), Bad Krozingen