Rotary Evaporator Suppliers

A rotary evaporator is a laboratory instrument used for distillation. It works by rotating a flask containing the liquid to be distilled, while simultaneously heating it with a water bath or heating mantle. The rotating motion increases the surface area of the liquid, allowing it to evaporate more quickly. The evaporated vapor is then condensed and collected in a separate flask, leaving behind the concentrated liquid or solid residue. The rotary evaporator is commonly used in chemistry research, pharmaceuticals, and food science.

There are several types of rotary evaporators available in the market, including:

• Standard rotary evaporators: These are the most common type of rotary evaporators and are suitable for most applications.
• Automated rotary evaporators: These are equipped with advanced features such as automatic control of temperature, vacuum, and rotation speed.
• Industrial rotary evaporators: These are designed for large-scale applications and can handle large volumes of samples.
• Fractional distillation rotary evaporators: These are used for the separation of complex mixtures into their individual components.
• Short path distillation rotary evaporators: These are used for the distillation of high boiling point compounds.
• Cold trap rotary evaporators: These are used for the removal of volatile solvents from samples at low temperatures.

Rotary evaporators with reflux condensers: These are used for the distillation of samples with high boiling points.

When buying a rotary evaporator, there are several key features to consider:

• Capacity: The capacity of the rotary evaporator determines the amount of material that can be processed at a time. Choose a capacity that suits your needs.
• Heating and cooling capabilities: The rotary evaporator should have a heating and cooling system that can maintain the desired temperature range.
• Vacuum pump: The vacuum pump is an essential component of the rotary evaporator. Choose a pump that is powerful enough to maintain the required vacuum level.
• Material of construction: The material of construction should be durable and resistant to corrosion and chemical damage.
• Safety features: The rotary evaporator should have safety features such as over-temperature protection, automatic shut-off, and pressure relief valves.
• Ease of use: The rotary evaporator should be easy to use and operate, with clear instructions and intuitive controls.
• Price: Consider the price of the rotary evaporator and ensure that it fits within your budget.

Brand reputation: Choose a reputable brand with a good track record of quality and reliability.

The capacity of a rotary evaporator refers to the maximum volume of liquid that can be processed at one time. It is typically measured in liters and can range from small-scale models with a capacity of 0.5 liters to larger industrial models with a capacity of 50 liters or more. The capacity of a rotary evaporator can affect your application in several ways, including the amount of time and energy required to process your sample, the level of precision and control you have over the process, and the overall efficiency and productivity of your laboratory or production facility. Choosing the right capacity for your specific needs will depend on a variety of factors, including the size and complexity of your sample, the level of automation and control you require, and your budget and available resources.

The cost of a rotary evaporator can vary greatly depending on the features and specifications. Basic models can start at around $1,000, while more advanced models with additional features such as digital displays, automatic controls, and larger capacities can cost upwards of $10,000. Other factors that can affect the cost include the quality of materials used, the brand, and the country of origin. Additionally, accessories such as vacuum pumps and chiller units can add to the overall cost.

Wear appropriate personal protective equipment (PPE) such as safety glasses, gloves, and a lab coat.

• Ensure that the rotary evaporator is properly grounded.
• Use a safety shield to protect against potential glass breakage.
• Use a vacuum pump with a trap to prevent the release of harmful vapors.
• Do not leave the rotary evaporator unattended while it is in operation.
• Do not exceed the maximum speed or temperature limits of the rotary evaporator.
• Use caution when handling hot glassware and samples.
• Follow the manufacturer's instructions and guidelines for safe operation.
• Keep the work area clean and free of clutter to prevent accidents.

Have a fire extinguisher nearby in case of emergency.

A rotary evaporator requires regular maintenance to ensure optimal performance and longevity. The maintenance requirements include cleaning the glassware and seals, checking the vacuum pump oil level and replacing it when necessary, inspecting the condenser for blockages, and lubricating the motor bearings. The frequency of servicing depends on the frequency of use and the type of samples being processed. Generally, a rotary evaporator should be serviced every 6-12 months or after processing particularly difficult or corrosive samples. It is important to follow the manufacturer's guidelines and recommendations for maintenance and servicing to ensure safe and efficient operation.

The time it takes to evaporate a sample using a rotary evaporator depends on various factors such as the volume of the sample, the boiling point of the solvent, the temperature of the water bath, and the speed of rotation. Generally, it can take anywhere from 30 minutes to several hours to evaporate a sample using a rotary evaporator. However, the process can be expedited by increasing the temperature of the water bath, increasing the speed of rotation, or using a more efficient vacuum pump.

Yes, a rotary evaporator can be used for different types of solvents and samples. However, it is important to choose the appropriate solvent and sample for the specific application and to properly clean and maintain the equipment between uses to prevent contamination. Additionally, some solvents may require special precautions or additional equipment to ensure safe and effective evaporation.

The warranty and after-sales support offered by the manufacturer or supplier refers to the guarantee and assistance provided to customers after they have purchased a product. This includes the length of time the product is covered under warranty, what is covered under the warranty, and what kind of support is available if the product needs to be repaired or replaced. After-sales support can include technical assistance, customer service, and repair services. It is important to consider the warranty and after-sales support when purchasing a product to ensure that you are protected and have access to assistance if needed.