Why is it more efficient to use a rotary evaporator to concentrate laboratory samples?

A rotary evaporator is a very useful and efficient instrument for concentrating samples in the laboratory, as it evaporates the solvent in a controlled manner and leaves the sample in the container without damaging it. This is very important, as it avoids sample loss and guarantees a correct concentration.

This equipment is used to remove solvents from a sample by evaporation. It is often used in laboratories to concentrate or purify samples. It works by heating a sample and spinning it in a chamber while a vacuum is applied. This causes the solvent to evaporate, leaving the sample behind. The vacuum also slows evaporation, allowing for a more efficient and controlled process.

The advantage of using a rotary evaporator over other evaporation methods is that it can be used for larger volumes and can be more easily controlled. Rotary evaporators are also less prone to damage delicate samples.

Efficient use of the Rotavaporator

There are many reasons why the use of a rotary evaporator should be preferred for concentrating samples in the laboratory. Firstly, it is a very controlled method of evaporating the solvent, a correct and accurate concentration of the sample is obtained. In addition, the fact that the sample is not damaged during the process is very important, as it avoids the loss of precious material.

Another advantage of the rotary evaporator is that it allows working with small sample sizes, which is very useful if a very small sample needs to be concentrated. Another aspect to take into account is that the concentration time is usually very short, which saves time and effort.

In summary, the rotary evaporator is a very efficient and useful instrument for concentrating samples in the laboratory, as it allows precise control of the concentration, avoids damage to the sample and is very fast.


In laboratories, the rotary evaporator is used to concentrate samples, as this apparatus allows liquids to be evaporated at low temperatures and pressures, in a controlled manner. They are widely used in industry and the pharmaceutical sector, as they allow samples to be concentrated quickly and safely.

The following are some recommendations for the use of the rotary evaporator:

  • To use the rotary evaporator safely, it is necessary to read the manufacturer’s instructions before use.
  • This appliance should be used in a well-ventilated area.
  • It is important to protect your skin and eyes when using the rotary evaporator.
  • The material to be evaporated must be placed in the appropriate container. Select the appropriate temperature and pressure. Add the cooling liquid to the vessel. Connect the vacuum tube to the vacuum.

When the rotary evaporator is finished, it is necessary:

  • Switch off the unit.
  • Open the vacuum.
  • Close the safety valve.
  • Disconnect the vacuum tube.
  • Clean the device.
  • Rotary evaporators are safe devices if the manufacturer’s instructions are followed. However, care should be taken when handling containers with hot liquids.

Kalstein brand rotary evaporators

At Kalstein, we offer you the best laboratory equipment with the most advanced technology in the market, for the satisfaction of our users and to meet their multiple demands. In this case, we bring you the YR series rotary evaporator. They are comfortable units, made with anti-corrosive materials. It has a quick lock button on the rotating shaft for easy installation or removal. The motorized hoist still lifts more smoothly. The synchronous belt drive mechanism can run smoothly, with ultra-low noise during the rotation process. Among other features that you can see from our catalog HERE We have the best advice, so that your purchase is ideal and at excellent prices. Do not hesitate to choose us because we are professional manufacturers and our priority is your health. Take a look HERE