Shanghai Yarong RE-5286A Rotary Evaporator
| Brand | Shanghai Yarong |
|---|---|
| Model | RE-5286A |
| Capacity | 50–2000 mL |
| Rotational Speed | 0–130 rpm (electronic speed control) |
| Heating Temperature Range | Ambient to 99 °C |
| Temperature Control Accuracy | ±1 °C |
| Condenser Cooling Area | 0.12 m² |
| Cold Finger Type | Top-entry vertical condenser with digital temperature display |
Overview
The Shanghai Yarong RE-5286A Rotary Evaporator is an engineered solution for efficient solvent removal, concentration, and purification under reduced pressure in research and quality control laboratories. Based on the fundamental principle of rotary evaporation—where simultaneous rotation, vacuum application, and controlled heating lower the boiling point of solvents—the RE-5286A enables gentle, reproducible processing of thermally sensitive compounds. Its top-entry vertical condenser design optimizes vapor path geometry and minimizes backstreaming risk, while the integrated digital temperature display provides real-time feedback on bath temperature—critical for method transfer and regulatory documentation. Designed for routine use in academic, pharmaceutical, and fine chemical environments, the system complies with core mechanical and thermal safety requirements aligned with IEC 61010-1 for laboratory electrical equipment.
Key Features
- Wide working capacity range (50–2000 mL), accommodating both small-scale screening and preparative-scale evaporation tasks;
- Stepless electronic speed control (0–130 rpm) with stable torque delivery across the full range, ensuring consistent film formation and uniform heat transfer on the evaporating flask surface;
- Heating bath with PID-controlled thermostatic regulation (ambient to 99 °C) and ±1 °C accuracy—suitable for water, oil, or silicone-based heating media;
- Vertical top-entry condenser featuring 0.12 m² effective cooling surface area, constructed from high-conductivity borosilicate glass and optimized for high-efficiency reflux under moderate vacuum (typically 10–100 mbar);
- Digital temperature display mounted directly on the heating bath housing, enabling immediate visual verification without external instrumentation;
- Robust stainless steel and aluminum alloy frame with anti-slip base, designed for long-term stability during continuous operation;
- Vacuum-tight ground-glass joints (ISO 29/32 standard) and PTFE-coated stopcocks ensure reliable sealing and chemical resistance against common organic solvents.
Sample Compatibility & Compliance
The RE-5286A supports a broad spectrum of sample matrices, including aqueous extracts, ethanol-based botanical solutions, ethyl acetate or dichloromethane reaction mixtures, and low-viscosity polymer solutions. It is routinely deployed in applications requiring adherence to USP , ASTM E2654 (standard guide for solvent recovery), and ISO 17025-accredited workflows where instrument calibration records and operational parameters must be traceable. While the unit itself does not include built-in audit trail or electronic signature capabilities, its analog/digital hybrid interface allows integration into GLP-compliant environments when paired with external loggers and documented SOPs. All glass components conform to DIN/ISO standards for dimensional tolerance and thermal shock resistance.
Software & Data Management
The RE-5286A operates as a stand-alone benchtop instrument with no embedded microprocessor or data logging capability. Temperature and rotation settings are manually configured via front-panel dials and displayed locally. For laboratories requiring electronic recordkeeping, optional third-party USB or RS-232 interfaces (e.g., vacuum controller + temperature logger) can be added externally to capture time-stamped bath temperature, rotational speed, and vacuum level—supporting 21 CFR Part 11 readiness when validated and governed by appropriate procedural controls. Raw parameter logs may be exported to CSV format for inclusion in analytical reports or LIMS uploads.
Applications
- Concentration of natural product extracts in phytochemistry and nutraceutical R&D;
- Solvent exchange and intermediate isolation in API synthesis workflows;
- Removal of low-boiling solvents (e.g., hexane, diethyl ether, acetone) prior to lyophilization or crystallization;
- Recovery and recycling of high-purity solvents in pilot-scale process development;
- Preparative purification of heat-labile compounds such as peptides, oligonucleotides, and labile esters;
- Teaching laboratory demonstrations of phase equilibria, vapor pressure depression, and mass transfer kinetics.
FAQ
What vacuum level is recommended for optimal performance with the RE-5286A?
A stable vacuum between 10 and 50 mbar is typically sufficient for most low-to-medium boiling point solvents; deeper vacuum (<10 mbar) may be used for high-boiling or viscous samples but requires careful monitoring of bumping and foaming.
Can the RE-5286A accommodate round-bottom flasks larger than 2 L?
No—the mechanical design and motor torque rating are validated for flasks up to 2000 mL; oversized flasks compromise rotational stability and increase risk of joint failure or bath overflow.
Is the heating bath compatible with silicone oil as a heating medium?
Yes, the bath is rated for continuous operation with silicone oil up to 99 °C; users should verify oil viscosity and flash point specifications prior to selection.
Does the condenser require external coolant circulation?
The unit is designed for ambient air or tap-water cooling; for extended operation or low-boiling solvents, a recirculating chiller (5–15 °C output) is recommended to maintain condensation efficiency.
Are replacement parts such as seals, gaskets, and condenser assemblies available through Shanghai Yarong?
Yes—original OEM spare parts including PTFE stopcock plugs, ground-glass joint grease, and condenser core assemblies are supplied directly by Shanghai Yarong and authorized regional distributors.
