Cold salt water or cooling water can be poured into the jacket. The liquor is stirred and cooled evenly, thereby obtain desired temperature for ethanol precipitation.
筒体夹套内可通入冷冻盐水或冷却水，通过搅拌，使料液均匀冷却，控制醇沉所需温度。
2
Cold salt water or cooling water can be poured into the jacket. The liquor is stirred and cooled evenly, thereby obtain desired temperature for ethanol precipitat …