Lyophilization removes solvent from a sample using vacuum-induced sublimation. Chemical resistance requirements for your freeze dryer vacuum pump depend upon the aggressiveness of your solvent. In all cases, a high gas flow is required at a low operating vacuum level. Collector temperatures and cleanliness must be considered and maintained to protect your pump.
- Welch CRVpro Direct Drive Rotary Vane Vacuum Pumps
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- Welch ChemStar Dry - Oil-Free Deep Vacuum System
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