title: Determination of sulphur in foodstuffs. II. Reduction to hydrogen sulphide.
mesh_terms: D005504:Food Analysis; D006859:Hydrogen; D008722:Methods; D010084:Oxidation-Reduction; D013440:Sulfides; D013455:Sulfur / Q000032:analysis*
chemical_list: D013440:Sulfides; D013455:Sulfur; D006859:Hydrogen