Can my sample be contaminated by grease on a rotary evaporator?

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SUMMARY

The discussion centers on the potential contamination of a butanol sample due to grease applied to the ground glass joint of a rotary evaporator. The user secured the flask and bump trapper with a Keck clip after greasing the joint. It is established that grease can indeed contaminate samples, especially in sensitive applications, and precautions should be taken to avoid such contamination.

PREREQUISITES
  • Understanding of rotary evaporator operation
  • Knowledge of sample contamination risks
  • Familiarity with ground glass joint components
  • Experience with using Keck clips for securing glassware
NEXT STEPS
  • Research best practices for using rotary evaporators without contamination
  • Learn about alternative sealing methods for ground glass joints
  • Investigate the effects of various lubricants on sample integrity
  • Explore contamination prevention techniques in laboratory settings
USEFUL FOR

Chemists, laboratory technicians, and researchers involved in solvent evaporation processes who need to ensure sample purity and avoid contamination risks.

Cyrus the great
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Homework Statement



Before, I started to evaporate my solvent (butanol) by using rotary evaporator, I greased the ground glass joint holding my flask and bump trapper. Subsequently, I secured my flask sample and the trapper with Keck clip . Is there any possibility that my sample may have been contaminated by grease?

Homework Equations

The Attempt at a Solution

 
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Cyrus the great said:
using rotary evaporator
There's always something "following" you around --- you "adapt/learn to live with it."
 

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