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Food & Beverage Analysis

Wheat earQuality and safety testing of food and beverages is an area of growing importance, be that for exporters, importers or government bodies, accurate analytical results are critical.  In common with many other applications, careful sample preparation is critical, especially when the analyte of interest is volatile.

Genevac systems find application in a number of areas, from testing constituents of beverages such as Cognac or gluten levels in Whisky, to pesticide analysis of fruit and vegetables or vitamin levels in cereals.  The EZ-2 or Rocket are commonly used, often in conjunction with SampleGenie™, because this delivers automation of sample transfer and gives unparalleled sample recovery and inter-test reproducibility with very low standard deviations, as the studies from the Laboratoire départemental d'analyses de la Drôme clearly establish.

Scientist testing wheatConcentration technology in Genevac systems has been developed with leading analytical laboratories.  This, with key technologies like Dri-Pure, ensure that samples are concentrated safely and rapidly.  SampleGenie™ is a great aid to concentration because the evaporator only evaporates the solvent contained in the large flask, and not the solvent in the vial.  The system detects the end point of evaporation being when the solvent level enters the vial and, once validated, the method will concentrate the sample to the required level.  If a precise volume is required in the vial, then the sample must be over concentrated and then made up to the desired level with pure solvent.

For protein analysis, e.g. for nutritional studies, the EZ-2 with HCl resistance option is ideal.  Protein digests often require digestion with 6N HCl which is highly corrosive to traditional evaporation systems, however, HCl resistant Genevac systems are designed to withstand daily use of concentrated HCl.
 
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