Mini Rotary Evaporator
Posted 2023-01-30 09:05:01
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The small rotary evaporator has a rotating bottle capacity of 0.25 to 2L and a temperature difference of ±1 °C. Continuously distill large amounts of volatile solvents. Especially for the concentration of the extract and the distillation of the receiving liquid during chromatographic separation, the reaction product can be separated and purified. As the evaporator is evacuated, the boiling point of the solvent to be distilled decreases. Usually, the components distilled from the sample are the components of interest in chemical research, such as extracting a natural component from an organic synthesis sample. The mini rotary evaporator is mostly used to separate low-boiling components, such as hexane and ethyl acetate, which are liquid at room temperature and atmospheric pressure. In addition, through standardized operation, it is also possible to remove certain components contained in the sample.

1. Main engine rotation: It is composed of a stable and reliable precision geared motor and an integrated circuit, which can be adjusted steplessly within the range of 0-150 rpm. Its level exceeds RE-52AA, and it is a leader among similar products.
2. Lifting and lowering of the host machine: the micro motor is used to change the speed, and the machine can automatically rise and fall by pressing the switch by hand. Equipped with an emergency hand wheel, when the "micro-motor speed change device" fails or a sudden power failure occurs, just turn the hand wheel on the top of the column to make the main machine go up and down, which is simple and reliable.
3. Host tilt: loosen the Phillips screw to tilt it arbitrarily within the range of 0-45 degrees. The condenser pipe made of heat-resistant high-quality glass is sleeved on the head of the host so that it can be tilted accordingly. Equipped with a valve-type feeding tube for continuous feeding.
4. Heating water tank: high-quality stainless steel drum, closed heating wire heater, embedded metal sensor connected to temperature digital display, automatic temperature control, room temperature -99°. The heating pot is equipped with a fully transparent protective cover, heat preservation, energy saving, explosion-proof, splash-proof, anti-pollution, and a drain valve is set. In addition, the heating tank can also move left and right according to the size of the bottle used.
5. Condensation system: The condensation pipe is made of large-diameter high-temperature-resistant high-quality glass, and the inner wall cooling water pipe is made of serpentine double-circuit glass. There is a ground joint on the top for vacuuming, and the other end is inserted into a white pipe with a standard ground joint, and the evaporation flask is connected. When the flask is rotated, the solution in the bottle is diffused and evaporated on the inner wall. Large-aperture evaporation tubes speed up the evaporation rate.
6. Evaporation pipeline: Teflon is used, and fluororubber sealing ring is added to the connection part to maintain vacuum.
7. Main metal parts: Made of corrosion-resistant high-quality stainless steel to prolong the service life.

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