File:2 solvent recrystallisation with evaporation.png

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Summary

Description

2 solvent recrystallisation with evaporation:

  • First solvent added (clear) to compound (orange)
  • Solvent heated to give saturated compound solution (orange)
  • Second solvent (blue) added to compound solution (orange) to give first mixed solvent system (green)
  • Volatile first solvent (clear) is removed (e.g. evaporation) from first mixed solvent system (green) to give a second mixed solvent system (dark-green)
  • Second mixed solvent system (dark-green) allowed to cool overtime to give crystals (orange) and a non-saturated second mixed solvent system (green-blue)
i.e. → First solvent added (clear) to compound (orange) → Solvent heated to give saturated compound solution (orange) → Second solvent (blue) added to compound solution (orange) to give first mixed solvent system (green) → Volatile first solvent (clear) is removed (e.g. evaporation) from first mixed solvent system (green) to give a second mixed solvent system (dark-green) → Second mixed solvent system (dark-green) allowed to cool over time to give crystals (orange) and a non-saturated second mixed solvent system (green-blue)
Date Unknown date
Source Own work
Author Quantockgoblin 19:27, 11 January 2007 (UTC)

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current00:12, 19 March 2007Thumbnail for version as of 00:12, 19 March 2007853 × 152 (5 KB)wikimediacommons>Quantockgoblin~commonswiki

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