Many of the features of Genevac evaporators make them a very useful tool for people who wish to concentrate a sample safely and quickly.  Temperature controlDri-Pure, pressure control, and highly solvent resistant build quality make Genevac evaporators suitable for the task.  Typical applications for concentration technology would include food & beverage analysis or environmental testing.


It is of great benefit to concentrate samples prior to analysis to help accurately determine levels of sample or analyte in a given sample.  The use of  technology also helps eliminate handling of samples by concentrating the sample directly into a small vial.  This, and the automation offered by every Genevac system helps users to deliver uniform results every time – increasing productivity in environmental analysis and other analytical laboratories.  Clearly this is better than watching paint (or solvent) dry!

The challenge was put to Genevac by several users to develop a method which enables samples to be concentrated to less than 2ml without loosing any volatile analytes.  Working with several laboratories, Genevac has developed a concentration method which will successfully concentrate samples, even volatile ones.  This method was pioneered at ARPAT:

  1. Samples are collected in a volatile solvent
  2. A drop of up to 1ml of a less volatile solvent is added
  3. By using appropriate software on Genevac EZ-2 the more volatile solvent only is removed, leaving the sample in the drop of less volatile solvent

When evaluated, the results were very good, and highly uniform.  Full details can be found in the following technical papers:

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Most recently the Rocket Evaporator has been developed which has special version of the SampleGenie for concentration directly into 2ml GC vials.  The Puck can also accept ASE tubes in the Rocket. The Rocket is a very fast concentration system and designed for concentrating large volumes of solvents in parallel.

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