Freeze-dryer. Technician loading samples into a lyophiliser, or freeze-dryer. This machine is used to freeze-dry food samples for long-term storage. T

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Freeze-dryer. Technician loading samples into a lyophiliser, or freeze-dryer. This machine is used to freeze-dry food samples for long-term storage. The sample is first frozen and then exposed to a vacuum, which causes the water to sublimate (change from a solid to gas) from the sample. Photographed at the European Commission's Institute for Reference Materials and Measurements (IRMM), Geel, Belgium.

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Size: 4292px × 2856px
Photo credit: © MATTEIS/LOOK AT SCIENCES/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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