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白酒是用淀粉、糖类较多的玉米、高梁、小麦、瓜干等原料,经过发酵、蒸馏制成的一种饮料,主要成份是乙醇和水。因此,白酒实际上就是酒精水溶液。酒精水溶液中纯酒精的含量就是其浓度,我国是以容量百分数进行酒精水溶液的浓度计量的。平常说的五十度、六十度是指在20℃时100份(升或毫升)白酒中含有50份、60份(升或毫升)纯酒精,如以计算
Liquor is starch, sugar more corn, sorghum, wheat, dried fruit and other raw materials, after fermentation, distillation made of a beverage, the main ingredient is ethanol and water. Therefore, white wine is actually an aqueous solution of alcohol. The content of pure alcohol in aqueous solution of alcohol is its concentration, and our country measures the concentration of alcohol aqueous solution according to the percentage of capacity. Normally speaking, fifty degrees and sixty degrees means that 100 parts (liter or ml) of liquor contains 50 parts and 60 portions (liters or ml) of pure alcohol at 20 ° C, as calculated