Another method is the boiling method: - take 250 ml of wine - measure specific weight and temperature - boil the wine down to half of its volume - get the same volume of liquid by adding boiled water - cool to the same temperature as above - measure specific weight - the difference between the two is related to the alcohol level;
(above - measure specific weight; is related; to the alcohol level)
above - measure specific weight
is related
to the alcohol level