Rotary Evaporator LRE-T2010

Introduction

Rotary Evaporator features a 5 L evaporating flask, allowing efficient solvent evaporation. This rotary evaporator offers a maximum evaporating speed of 2 L/hrs for water. Our unit includes automatic lifting and a vertical condenser for convenient operation. It provides a rotation speed adjustable from 0 to 110 rpm, ensuring efficient operation. It delivers reliable and precise evaporation results for different laboratory applications.

This equipment is essential for solvent evaporation and concentration processes in chemical, pharmaceutical, and food laboratories. It features efficient heat transfer and vacuum control to ensure optimal distillation results while protecting sensitive samples.

Applications

Rotary Evaporator provides efficient solvent evaporation and concentration in laboratory applications. It is commonly applied in biology, medicine, chemistry, and food research.

Specifications

Evaporating flask	5 L
Receiving flask	3 L
Maximum evaporating speed (H2O)	2 L/hr.
Condensing surface	0.32 m²
Lifting type	Automatic lifting
Condenser type	Vertical condenser
Rotation speed	0 to 110 rpm
Reachable vacuum rate	Less than 133 Pa
Bath power	2.2 kW
Heating power	2300 W
Rotation power	40 W
Static temperature control range and wave	°C, 150°C ± 2°C
Bath size capacity	15 L
Material	304
Power Supply	220 V / 60 Hz
Dimension(W×D×H)	740 × 440 × 960 mm
Weight	66 kg

Features

Automatic lift mechanism

Digital display panel

Energy-saving design

Overheat protection system

Chemical-resistant coating

FAQs

1. What vacuum level is appropriate for operating a rotary evaporator?

The appropriate vacuum level depends on the boiling point of the solvent being evaporated. For most common solvents, a vacuum level between 10-50 mbar is suitable. Lower boiling point solvents (such as ethanol) require higher vacuum (lower pressure), while higher boiling point solvents may need lower vacuum. It's important to adjust the vacuum level gradually to prevent sample bumping and ensure efficient evaporation.

2. How to prevent sample bumping during rotary evaporation?

To prevent sample bumping, you can: 1) Use a bumping tube or anti-bumping granules in the evaporating flask; 2) Control the heating bath temperature to avoid rapid temperature increase; 3) Adjust the rotation speed to ensure gentle mixing of the sample; 4) Gradually increase the vacuum level instead of applying full vacuum immediately; 5) Ensure the evaporating flask is properly centered and balanced.

3. How often should the rotary evaporator's seals be replaced?

The frequency of seal replacement depends on usage frequency, the type of solvents used, and maintenance practices. Under normal usage with non-corrosive solvents, seals should be inspected every 3-6 months and replaced if signs of wear, leakage, or reduced vacuum performance are observed. For corrosive solvents, more frequent inspection and replacement (every 1-3 months) may be necessary to maintain vacuum integrity.

4. Can the rotary evaporator be used for heat-sensitive samples?

Yes, the rotary evaporator can be used for heat-sensitive samples by utilizing the vacuum system to lower the solvent's boiling point, thus reducing the required heating temperature. For highly heat-sensitive samples, additional measures such as using a cold trap, lowering the heating bath temperature further, or reducing the rotation speed can help protect the sample from thermal degradation while maintaining efficient evaporation.

5. How to clean the rotary evaporator after use?

After use, follow these cleaning steps: 1) Turn off the heating bath and vacuum system, and allow the equipment to cool down; 2) Remove and empty the receiving flask; 3) Rinse the evaporating flask and condenser with an appropriate solvent (compatible with the sample residue); 4) For stubborn residues, use a soft brush or ultrasonic cleaner (if compatible with glass components); 5) Dry all components thoroughly before reassembly; 6) Wipe the exterior of the equipment with a clean, damp cloth.