在实验室內,作乙醚提取物的測定(例如作脂肪,以及重蒸、回收乙醚,都是經常的工作。因為乙醚易燃,普通多在電爐上放水浴鍋使乙醚加熱,但要常注意鍋內的水是否燒乾了,而且溫度也下容易調節。現在我們所內自製有一種專供作這種操作的低溫蒸餾器,以電燈光熱作為熱源,這樣即不容易發生危 In the laboratory, the determination of ether extracts (such as fats, re-distillation, and recovery of ethers) is a regular work. Because ether is flammable, it is common to put water in a hot water bath on the electric furnace to heat the ether. The water in the pot is dried, and the temperature is easily adjusted. Now we have a self-made cryogenic distiller designed specifically for this operation, using electric light heat as a heat source, so that it is not prone to danger