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, since it allows the solvent to be evaporated in a controlled way and leaves the sample in the container without damaging it. This is very important, as it prevents the loss of the sample and ensures 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 rotating it in a chamber while applying a vacuum. This causes the solvent to evaporate, leaving the sample behind. 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 controlled more easily. Rotary evaporators are also less likely to damage sensitive samples.

Efficient use of the Rotary Evaporator

There are many reasons to prefer the use of a rotary evaporator to concentrate samples in the laboratory. First, it is a very controlled method to evaporate the solvent, obtaining a correct and precise concentration of the sample. In addition, the fact that the sample is not damaged during the process is very important, as it prevents the loss of precious material.

Another advantage of the rotary evaporator is that it allows you to work with small samples, which is very useful if you need to concentrate a very small sample. Another aspect to keep in mind is that the concentration time is usually very short, allowing to save time and effort.

In short, the rotary evaporator is a very efficient and useful instrument for concentrating samples in the laboratory, since it allows precise concentration control, prevents damage to the sample and is very fast.


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

Here are some recommendations for using the rotary evaporator:

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

When the rotary evaporator has been completed, it is necessary to:

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

Kalstein branded rotary evaporators

At Kalstein, we offer you the best laboratory equipment with the most advanced technology on the market, to satisfy our users and 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 and makes it easy to install or remove. The motorized elevator continues to lift more smoothly. The synchronous belt drive mechanism can operate smoothly, with ultra low noise during the rotation process. Among other features you can see from our catalog HERE We have the best advice, so that your purchase is the ideal and at excellent prices. Do not hesitate to choose us because we are professional manufacturers and our priority is your health. Check out HERE