ResourceSeparations
Developments in Lab Scale Lyophilization
2 Oct 2017Lyophilization, or freeze drying, has been used to dry samples in the laboratory for a number of years. Lyophilization is often a prefered method of drying as it achieves a very high level of dryness with low residual solvent levels and because of light, powdery finish of the sample enabling the sample to be easily removed and weighted out. Unfortunately there are a number of problems and limitations associated with Lyophilization. This application note presents the results of research done in the Genevac laboratory to develop the best solution to these problems.
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Sample PreparationSample preparation can improve the quality and speed of separation techniques. Products to assist sample preparation include filtration equipment, evaporators, membranes and sieves.Evaporators and Freeze DryersCentrifugal evaporation is used for solvent removal from a sample. This is a useful technique for sample concentration or sample drying. Many centrifugal evaporators are modular with a central vacuum pump for generating low pressure. Useful features of evaporators or vacuum ovens include minimal solvent bumping, solvent resistance, computer control, temperature regulation and benchtop design.LyophilizationFreeze Drying
