Posted 27 October 2004 - 02:57 AM
I exactly didnot find the process and priniciple of lyophlisation . I would apperciate and imply the suggestions laid by the veterans and experts
Posted 27 October 2004 - 04:53 AM
Posted 27 October 2004 - 10:32 PM
The water content of the material is first frozen to change to state from liquid to solid state (ice). When the pressure is decreased to vaccuum and the temperature is increased at the same time, sublimation of the ice occurs (the ice sublimes to gas), thus drying the material without much damage.