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Chemistry Forums for Students => Analytical Chemistry Forum => Topic started by: Moz29386 on October 21, 2011, 02:14:42 PM

Title: Why do we use caffeine as an internal standard?
Post by: Moz29386 on October 21, 2011, 02:14:42 PM

Hi guys just trying to find out the answer to the above question as I couldnt find it.

Also which compounds are more polar (in order):

Theophyline

Theobromine and

Caffeine?

Thanks!!