Amphetamine and Related Drugs
Amphetamine and Related Drugs
Amphetamine and Related Drugs
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FPN reagent<br />
Red or brown-red brown red spots are given by<br />
phenothiazines <strong>and</strong> blue spots by<br />
dibenzazepines. This reagent may be used to<br />
overspray a plate which has been previously<br />
sprayed with ninhydrin spray.<br />
FPN Reagent: mix together 5 mL of ferric<br />
chloride solution, 45 mL of a 20% w/w<br />
solution of perchloric acid, <strong>and</strong> 50 mL of a<br />
50% v/v solution of nitric acid.<br />
4/27/2009 ٩٦