Suitable condenser for dichloromethane solvent

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SUMMARY

The discussion centers on selecting an appropriate condenser for a Soxhlet extractor kit utilizing dichloromethane (DCM) as a solvent. Users recommend considering a dry ice condenser due to DCM's low boiling point. The geometry of the condenser, whether Graham, Allihn, or straight, is crucial for effective condensation of DCM vapors. A suitable length for the condenser is also essential to ensure efficient cooling and vapor return.

PREREQUISITES
  • Understanding of Soxhlet extraction techniques
  • Familiarity with dichloromethane properties and handling
  • Knowledge of condenser types: Graham, Allihn, and straight
  • Basic principles of distillation and vapor condensation
NEXT STEPS
  • Research the specifications and applications of dry ice condensers
  • Explore the differences between Graham and Allihn condensers
  • Learn about the safety protocols for handling dichloromethane
  • Investigate optimal lengths for condensers used with low boiling solvents
USEFUL FOR

Chemistry students, laboratory technicians, and anyone involved in solvent extraction processes or distillation techniques.

kneo123
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TL;DR
Soxhlet extractor kit shopping
Hello.
I have an interest in aquiring a soxhlet extractor glassware kit for experimentation and learning.
Something small like with a 250ml flask.
Not sure what geometry of condenser to go for, Graham Allihn, straight or else.
I will be using dichloromethane as a solvent and would like to know if it is suitable across any condenser type or there are issues with some condenser geometries.
What lenght of the condenser would be proper for dichloromethane?
 
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For a low boiling solvent like DCM, I’d consider a dry ice condenser.
 

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