Why during chromatography must the paper NOT touch the sides

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SUMMARY

During chromatography, it is essential that the paper does not touch the sides of the test tubes to prevent distortion of results. Contact with the glass can lead to wicking, where the solvent is drawn up the sides, causing uneven solvent front and smudging of the chromatogram. This interference can compromise the accuracy of the separation process and the interpretation of results. Maintaining a gap ensures a consistent solvent front and reliable chromatographic outcomes.

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  • Understanding of chromatography principles
  • Familiarity with solvent behavior in capillary action
  • Knowledge of chromatographic techniques and equipment
  • Basic laboratory safety and handling procedures
NEXT STEPS
  • Research the principles of capillary action in chromatography
  • Learn about different types of chromatography techniques, such as paper and thin-layer chromatography
  • Explore methods to optimize solvent front consistency in chromatographic experiments
  • Investigate common sources of error in chromatography and how to mitigate them
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Chemistry students, laboratory technicians, and researchers involved in analytical chemistry who seek to improve their chromatography techniques and ensure accurate experimental results.

jsmith613
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Homework Statement


why during chromatography must the paper NOT touch the sides of the test tubes in which the experiment is being carried out?

Homework Equations


The Attempt at a Solution


I am not sure but could our results get smudged or distroted?
if so I still can't work out how? could it be that the solvent does not run in a straight line :S
 
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What might happen if the glass wall started wicking solvent from the chromatogram during the experiment?
 

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