功能

• It's a flask shaped like a vegetable eggplant.
• The lack of a shoulder makes it easy to remove the sample inside, making it easy to clean.
• Beca the surface area of the liquid increases when it is slanted, a smoothed mouth is d for the rotary evaporator.
• Beca the bottom is round, place it on a flask stand. (There is also a flat-bottomed eggplant-shaped flask.)