Precautions For The Use Of Tetrafluoro Flasks

1. Asbestos mesh should be placed when heating, and other heating baths can also be used. The amount of liquid should not exceed 2/3 of the volume and not less than 1/3 of the volume;

2. When configuring accessories (such as thermometers, etc.), appropriate rubber stoppers should be selected, and special attention should be paid to checking whether the air tightness is good;

3. Add a small amount of zeolite at the bottom of the bottle in advance to prevent bumping;

4. When heating, it should be placed on the asbestos mesh to make it evenly heated;

5. After distillation, the piston must be closed before heating to prevent sucking back;