Introduction

Rotary Evaporator operates efficiently within an ambient temperature range of 5°C to 35°C. Its integrated motorized lift allows smooth adjustment of evaporating flask height. Feature Dual condenser options improving condensation efficiency under diverse conditions. Equipped with Teflon-coated sealing system that provides superior durability and chemical compatibility. Modular design enables easy cleaning and maintenance for long-term performance. 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

Our Rotary Evaporator ensures efficient solvent recovery and precise distillation, widely used in chemical processing, pharmaceutical research, and academic laboratories, simplifying evaporation processes for reliable, repeatable results.

Specifications

Ambient Temperature 5°C to 35°C
Host Speed Regulation Stepless speed regulation, digital DC
Rotating Speed 20rpm to 130rpm
Rotating Motor 250 W
Temperature Control Digital display room temperature to 99°C
Rotating Bottle 20L
Collection Bottle 10L
Evaporation Capacity Water ≥5, Ethanol 13 L/hour
Bath Pot Material Stainless steel
Bath Size Ø450mm×260mm
Lifting Function Electric (automatic) lifting
Lifting Height 0 to 190 mm
Motor Power Consumption 4300W
Power Supply Three phase 220V/380V/50 to 60Hz
Dimensions 1250mm×600mm×2100mm

Features

Efficient solvent evaporation system

Digital temperature control panel

Adjustable rotation speed settings

High-quality glassware components

Integrated vacuum pump compatibility

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.

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