Introduction
Rotary Evaporator offers rotating speeds from 10 to 140 rpm for efficient liquid removal. It includes motorized lift for easy height adjustment during the process. Features integrated vacuum system for efficient solvent recovery and reduced boiling point. The adjustable speed control offers flexibility for different evaporation requirements. Easy-to-clean components reduce downtime and ensure consistent performance over time. 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 efficiently separates solvents through controlled distillation, ensuring reliability, making it ideal for chemical synthesis, pharmaceutical, and academic research laboratories.Specifications
| Ambient Temperature | 5°C to 35°C |
| Host Speed Regulation | Stepless speed regulation, AC |
| Rotating Speed | 10 to 140 rpm |
| Rotating Motor | 40 W |
| Temperature Control | Digital display, room temperature to 99°C |
| Rotating Bottle | 5/6 L |
| Receiving flask | 3L |
| Evaporation Capacity | Water ≥2, Ethanol ≥4 L/hour |
| Bath Pot Material | Stainless steel |
| Bath Size | Ø300×170 mm |
| Lifting Function | Electric (automatic) lifting |
| Lifting Height | 0 to 150 mm |
| Power Consumption | 1.65 kW |
| Power Supply | Single phase 220V/50-60Hz |
| Dimensions | 860mm×500mm×1000mm |
Features
High-quality glass components
Adjustable rotation speed
Efficient solvent evaporation process
Durable, corrosion-resistant design
Reliable high vacuum performance
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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