The small-scale glass distillation column is one of the indispensable instruments in the chemical laboratory, which can be used to separate and purify compounds. When using, it is necessary to pay attention to safety, standardize operation and record data, so as to better complete the experimental task and improve the experimental efficiency.
Precautions when using a small-test glass distillation column
1.When using the small-test glass distillation column JOYNJL-2L, it is necessary to pay attention to safety. Especially when heating, it should be avoided to heat too quickly or overheat to avoid accidents such as ** or scalding.
2.When assembling the instrument, it should be checked that the individual connections are secure to avoid air leaks or leaks.
3.During the distillation process, attention should be paid to observing the boiling point and composition of the individual components in order to better separate and purify the compounds. At the same time, it is also necessary to pay attention to the safe use of fire sources and power supplies.
4.After the end of the experiment, the instrument should be cleaned and the site should be cleaned in time to avoid affecting the hygiene and safety of the laboratory. At the same time, it is also necessary to record and process the experimental data in a timely manner in order to better summarize the experimental results and experience.
When all the compounds have been evaporated and collected, the heating jacket can be turned off to stop heating. The compounds in the receiving flask are removed and the boiling point and composition of the individual components are recorded.