[Polarographic studies on pharmaceuticals. IV. Determination of free sulfur in anethole thithione].
D006571:Heterocyclic Compounds / Q000032:analysis*; D006851:Hydrochloric Acid; D008628:Mercury; D010084:Oxidation-Reduction; D011048:Polarography; D011725:Pyridines; D013455:Sulfur / Q000032:analysis*
D006571:Heterocyclic Compounds; D011725:Pyridines; D013455:Sulfur; D008628:Mercury; D006851:Hydrochloric Acid