March 2007Analytical Instrumentation & Environmental Monitoring
Distillation in a rotary evaporator is the standard method to separate solvents. For almost 50 years these instruments have been present in the lab and their working principle has remained almost unchanged during that period. In contrast, ease of operation and control possibilities have advanced and a broad range of accessories have been added - turning the rotary evaporator into a sophisticated laboratory instrument.
With its new generation of rotary evaporators, Buchi has focused even more on an integral system approach and now launches a new vacuum pump and controller in parallel. All instruments are optimally suited to each other and communicate via an RS485 serial port.
The new rotavapors R-210 and R-215 fully comply with Buchi's long-held reputation for designing robust and easy to use instruments. In keeping with its predecessor, the new modular systems offer a range of glass assemblies, vacuum controllers and also the choice of vapour temperature and rotation display. Many variations are offered to satisfy customers' needs, as are several thoughtful innovations.
As an example, the bath obtains its mains power in a similar way to a cordless kettle. This feature also allows easy removal and cleaning of the bath. An infrared sensor transmits the bath temperature to the rotavapor.
The vapour duct establishes an end-to-end connection between the evaporation flask and the condenser, thus preventing possible cross-contamination. The acclaimed Combi-clip greatly facilitates removing and changing the flask and vapour duct assembly.
For more information contact Deborah Shaw, Labotec, +27 (0)11 315 5434.
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