Image: Mini Freeze Drier

Mini Freeze Drier – Dynavac

Freeze-drying is a dehydration process typically used to preserve a perishable material. It works by freezing the material and then reducing the surrounding pressure to allow the frozen water in the material to sublime directly from the solid phase to the gas phase.

Photographer:

Martin Pueschel

Rights:

© Australian Museum

Last Updated: 22 June 2011