A Rotary Evaporator, also known as a Rotavapor or Rotovap is a versatile laboratory equipment used for chemical processes. It operates on the same principles as a distillation unit but features design modifications that make it unique and versatile. It can operate under high vacuum, reducing solvent boiling points, and has a rotating flask that ensures uniform heating across the entire mass, increasing the speed of distillation. Its plug-and-play construction makes it easy to switch configurations for different applications. The Rotary Evaporator is ideal for removing liquid solvents without excessive heating of sensitive solvent-solute combinations.
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We have the best Rotary Evaporator solutions for your laboratory needs. Our range of rotary evaporators includes benchtop and scale-up models, with a variety of sizes and configurations to choose from. Our instruments are designed for efficiency and automation, with lifting arms and digital controls for ease of use. Our vacuum seals and stop mechanisms provide reliable safety guarantees. Our bespoke design service allows us to meet almost any customer requirement. Trust KINTEK for your solvent distillation needs.
Applications of Rotary Evaporator
- Separation and purification of natural products, pharmaceuticals, and chemicals
- Concentration of solutions, for example, to increase the concentration of a compound for further analysis or testing
- Analysis of volatile compounds, such as essential oils or flavors, by removing the solvent and leaving the volatile components behind
- Preparation of samples for chromatography and other analytical techniques
- Recycling of solvents, which can save costs and reduce waste
- Extraction of solvents from reaction mixtures, which can be important for certain chemical reactions
- Food science, for example, to investigate the flavor and aroma of food products
- Environmental analysis, for example, to analyze pollutants in air or water samples.
Advantages of Rotary Evaporator
- Lower boiling temperatures
- Faster evaporation of solvent
- Fewer operations
- Rotary evaporators suppress bumping
- Can be used in the purification of samples
- Very useful instrument for solvent recovery
- Used in the purification of plant extract and essential oils from natural products
- Used in the distillation of complex mixtures
- Evaporation is done at reduced pressure, making it very useful for heat-sensitive compounds
- The rate of evaporation is fast, allowing for separation in a short time
- Saves energy compared to simple distillation apparatus
- Faster than distillation and yields desired results in a shorter duration
- Convenient controls for easy use
- Less risky than ordinary rivals and counterparts
- Highly effective in extracting solvents with minimal danger and damage
- Widely used in chemical engineering, medical, and biological fields
- Useful for production and scientific research
- Used for chemical reaction, mixing, and formulation
- Can withstand laboratory use due to its fantastic and durable design
Our Rotary Evaporator offers a complete customisation service that helps us cater to your specific requirements. Our extensive product line provides you with a standard solution that fits your needs. Additionally, our rotary evaporators are priced competitively without compromising on quality. We offer a range of accessories to customize the instrument, making it cost-effective and adaptable for your laboratory needs.
FAQ
What is the purpose of a rotary evaporator?
The purpose of a rotary evaporator, or rotovap, is to distill a solvent to separate a given mixture into its components based on their respective volatilities, through the process of evaporation and condensation. The rotovap is used to concentrate non-volatile components in a mixture and to extract volatile aroma and flavor molecules from mixtures gently and at low temperatures. The two key components of the rotovap allow for a gentle, precise, and efficient distillation not found in conventional distilling apparatuses: vacuum removal of solvent to lower boiling point and rotary flask rotation to increase surface area and speed up distillation.
Why rotary evaporator is used in solvent extraction?
Rotary evaporators are used in solvent extraction because they allow for the efficient and gentle removal of solvents from samples by evaporation. This is achieved by reducing the pressure to lower the solvent boiling point, rotating the sample to increase the effective surface area, heating the solution, and then condensing the evaporated solvent in a cooled glass condenser. This process leaves the concentrated compound in the flask and is often used in medicinal chemistry, pharmaceutical, chromatography, and petrochemical fields.
Can rotary evaporator remove water?
Yes, a rotary evaporator can remove water. By changing the temperature to speed up the evaporation rate or by vacuuming with a vacuum pump to further reduce the pressure and lower the boiling point, a rotary evaporator can evaporate solutions that contain water and other substances. The electronic control of the rotary evaporator keeps the rotation of the flask at a constant speed, creating a larger surface area for heating and faster evaporation speeds. The traditional distillation method is less efficient and accurate than a rotary evaporator, which is widely used in chemical laboratories, industrial, bio-pharmaceutical, and food-making fields.
Is rotary evaporator used for distillation?
Yes, rotary evaporator is used for distillation. It is a device used in chemical laboratories to efficiently and gently remove solvents from samples by evaporation. The system works by reducing the pressure to lower the solvent boiling point, rotating the sample to increase the effective surface area, heating the solution, and then the evaporated solvent condenses in a cooled glass condenser. Rotary evaporation is most often and conveniently applied to separate "low boiling" solvents such as n-hexane or ethyl acetate from compounds which are solid at room temperature and pressure.
What are the principles of rotary evaporation?
The basic principle of rotary evaporation is to increase a sample's surface area and optimize its temperature and vacuum level, enabling effective separation of solvents in a short time. A cooling condenser helps to recover the separated solvent. It is a gentle and efficient method for liquid separation and purification, with specific applications including concentration, crystallization, solvent distillation, and chemical synthesis. A rotary evaporator and a vacuum pump are the two equipment required for a rotary evaporation system. Selection of the optimal vacuum pump is based on considerations such as chemical compatibility, ability to process wet vapors, ultimate depth of vacuum, flow rate, and adjustable control of vacuum levels.
What are the advantages of a rotary evaporator?
The advantages of using a rotary evaporator include lower boiling temperatures, faster evaporation of solvents, fewer operations, and the ability to suppress bumping during the process. The lower boiling temperatures allow for the separation of solvents and compounds at lower temperatures, while faster evaporation speeds up the process. Fewer operations are needed thanks to the built-in lifting and falling motor, and bumping is suppressed, allowing for quick and gentle evaporation. Rotary evaporators are particularly useful for heat-sensitive compounds and distillation of complex mixtures.
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