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Air-sensitive Techniques

Schlenk Line: Fundamentals

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Learn and familiarise yourself with the main components of a Schlenk line apparatus. Explore how to operate a double oblique stopcock, set up an oil bubbler and dewar with a solvent trap, and create an inert atmosphere through degassing.

Learning Outcomes

  • Explore the key components of a Schlenk line
  • Familiarise yourself with the main safety considerations associated with the apparatus
  • Work through the process of degassing a reaction flask
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Concepts Principles and Theories

  • What a Schlenk line is used for

Using Instruments and Equipment

  • What are the main components of a Schlenk line
  • How to use the manifold taps to open and close the vacuum and nitrogen lines
  • Why grease should be applied to the taps and joints of the apparatus
  • What is the best type of tubing to use to connect the apparatus
  • How to correctly set up the oil bubbler
  • How to correctly position the vacuum trap in liquid nitrogen
  • How to degas the reaction flask

Working in a Safe Manner

  • Why it is dangerous to close the outlet on the oil bubbler
  • What are the dangers of having a leak in the system
  • How to prevent the incomplete condensation of gases and build up of pressure
  • Why the taps on the manifold should be turned slowly

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