A Cost Effective and Flexible Solution
When a larger number of samples must be processed the VLM evaporators are an inexpensive alternative to rotary evaporators and concentrators. The evaporation of the solvent is accelerated by gassing with nitrogen which is a very gentle method for oxidation sensitive samples. The built in metal block thermostats are used to compensate for evaporation by maintaining the constant temperature of the system.
The evaporator system is equipped either with a motorized lift or with the evaporator unit with a manually height-adjustable stand. Further the part of the system is the gas dosing unit and the metal block thermostat QA, EC, LS or VIS. This image shows the version of evaportaor with a telescopic lift where the replacement of the heating blocks or samples is very convenient.
When turning the gas dosing unit of EVA-lift 180° the stainless steel needles or Pasteur pipettes (adapter plate required) can be easily inserted from above into the silicone mounts. In case of the manual version of this evaporator the complete gas dosing unit can be removed and stainless steel needles can be inserted from above as well.
As accessories VLM offers cabinets which can be connected to the laboratory ventilation system. Furthermore it is possible to pulse the flow of nitrogen and to switch off the gas dosing after a preselected time.
Specifications subject to change.
Type : thermal
Laboratory/process : laboratory
Applications : for sample concentration
Other characteristics : with lift
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