Determination of Ethanol in Alcoholic Products by GC-FID
In addition, this method is also suitable for some alcoholic beverages such as vodka, rum, whisky, brandy, fruit distillates as well as fraudulent distillates containing denaturants. The method can be used also for determination of ethyl alcohol in commercial mixtures such as antifreeze and screen-wash...
https://ec.europa.eu/taxation_customs/sites/taxation/files/iliade-143_ethanol_gc-fid.pdf