Manual Lifting Rotary Evaporator LMRE-T2010

Introduction

Manual comes with a 3 L evaporating flask, ensuring efficient solvent removal for laboratory distillation processes. It features an integrated vacuum interface for pressure control. The effortless height adjustment allows smooth and convenient operation. Our Manual Lifting Rotary Evaporator ensures reliable operation for chemical synthesis, pharmaceutical research, and essential oil extraction.

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

Manual Lifting Rotary Evaporator efficiently removes solvents through controlled evaporation in laboratory settings. It is widely used in chemical synthesis, essential oil extraction, and food processing for aroma extraction, flavor concentration, and pollutant analysis.

Specifications

Rotary Evaporating Flask	3 L
Optional Evaporating Flask	1 L, 2 L
Receiving Flask	2 L
Rotating Speed Range	0 to 120 rpm
Temperature Control Range	RT to 399°C
Cooling Temperature	-20°C
Environment Temperature	5 to 35°C
Water (Oil) Bath Power	2000 W
Flow Rate	60 L / min
Body Material	Polypropylene
Capacity	50 L
Extraction Gas Capacity Per Tap	10 L / min
Taps	2 pcs
Power Supply	220 V, 50/60 Hz
Packaging Dimension (L×W×H)	1010×610×490 mm
Weight	41 kg

Features

Adjustable heating range

Long-life vacuum seal

Noise-free performance

Corrosion-resistant bath

Automatic safety shut-off

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.