2 • General Information Operating Manual Freeze Dryer ALPHA 1-2 LDplus
1.2. Applications
The freeze dryer ALPHA 1-2 LD
plus
is a high-performance
universal laboratory and pre-production unit for freeze drying of
solid or liquid products in ampoules, vials, glass flasks, plasma
bottles or dishes. All operations necessary for freeze drying can be
realized in one and the same unit:
• Freezing of the products (uncontrolled shelf surface
temperature)
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• Freeze drying (sublimation) of the products at user-
defined temperature limit values and pressure limit
values
• Final drying of the products at user-defined
temperature limit values and high final vacuum for the
removal of capillarily or molecularly bound water.
The freeze dryer ALPHA 1-2 LD
plus
is suitable for drying of e. g.
bacteria and virus cultures, blood plasma, serum fractions,
antibodies, sera, vaccines and pharmaceutical products such as
chloramphenicol, streptomycin, vitamins, ferments as well as plant
extracts for biochemical tests.
1
Normally done separately in a deep-freeze
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