Rotary evaporator structure and principle - Database & Sql Blog Articles

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Rotary evaporator

Schematic:

Rotary evaporator

Structure principle:

Structure: The distillation flask is an eggplant-shaped or round-bottomed flask with a standard ground port, connected to a pressure reducing pump through a highly refluxing serpentine condenser, and the other opening of the reflux condenser is connected to a receiving flask with a grinding port. It is used to receive the evaporated organic solvent. There is a three-way piston between the condensing tube and the decompression pump. When the system is connected to the atmosphere, the distillation flask and the liquid-receiving flask can be removed and the solvent is transferred. When the system is connected with the decompression pump, the system should be reduced. Pressure state. When using, depressurize first, then start the motor to rotate the distillation flask. At the end, stop the machine first, then pass the atmosphere to prevent the distillation flask from falling off during rotation. As a heat source for distillation, it is often equipped with a corresponding constant temperature water tank.

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