title: Colorimetric and gas chromatographic analyses of arecoline in capsule preparations.
mesh_terms: D002214:Capsules; D002849:Chromatography, Gas; D003124:Colorimetry; D008722:Methods; D009539:Nicotinic Acids / Q000032:analysis*; D013053:Spectrophotometry
chemical_list: D002214:Capsules; D009539:Nicotinic Acids