Amphetamine and Related Drugs
Amphetamine and Related Drugs
Amphetamine and Related Drugs
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The pooled sulfuric acid extracts are then<br />
adjusted to pH 10 with concentrated potassium<br />
hydroxide <strong>and</strong> potassium carbonate. Sodium<br />
chloride is also added <strong>and</strong> the mixture is<br />
extracted twice with chloroform. The filtered<br />
<strong>and</strong> pooled chloroform is then carefully<br />
evaporated after the addition of one drop of a<br />
solution of 0.5% sulfuric acid in methanol.<br />
4/27/2009 ٦٩