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Extraction of Caffeine from Tea


Assignment :


  1. What will be the result if a student performs the extraction steps of caffeine by dissolving tea in water instead of dichloromethane?
  2. During the extraction process of Caffeine from tea, perform a thin layer chromatography with the top layer [ tea layer] and comment on the results observed?
  3. What will happen if sodium sulfite is not added to the caffeine extract?
  4. A student was confronted with the problem of tannin contamination while extracting caffeine from tea leaves. Can you suggest a possible solution for avoiding the problem ?

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