Extract any neutral or acidic excipients into a low polarity solvent such as diethylether
Remove organic solvent, redissolve in dilute acid and analyse aqueous solution
Flow diagram for the extraction of an organic base. (1) Direct removal of neutral and acidic excipients. (2) Acidic excipients left behind in aqueous layer. (3) Neutral excipients left behind in organic layer.
Extract into polar organic solvent such as chloroform or chloroform/ethanol
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Everything you wanted to know about. How To Cure Tennis Elbow. Are you an athlete who suffers from tennis elbow? Contrary to popular opinion, most people who suffer from tennis elbow do not even play tennis. They get this condition, which is a torn tendon in the elbow, from the strain of using the same motions with the arm, repeatedly. If you have tennis elbow, you understand how the pain can disrupt your day.