Category:
Sera and Vaccines
CAS NO:
No
Standard:
In-house Standards,

Standard Member
Is producing in a sterile environment are freezing liquid into a solid, a vacuum sublimation drying and the water into the sterile powder for injection.
Producing is freezing dryer of vacuum freeze drying method is used to advance to the inside of the liquid water freezes, then under vacuum sterile environment will be frozen water distillation liquid inside, resulting in freeze drying.
In low temperature environment, in short, drained the water inside of liquids, retain the original drug.