2.3.1 Alcoholic strength by volume (ABV analysis). For wines, current legislation provides for the possibility of using any model of distillation or steam extraction apparatus provided that they satisfy the following test: Distill a hydroalcoholic mixture 5 times in a row at 10% vol. After the last distillation, the distillate must have an alcoholic strength by volume of at least 9.9% vol, ie during each distillation a quantity of alcohol greater than 0.02% vol must not be lost. For spirit drinks, the device must meet the following requirements: the distillation of 200 ml of hydroalcoholic solution, with a known title close to 50% vol. it must not produce an alcohol loss greater than 0.1% vol.