title: Amino acid analysis: the reduction of ninhydrin reagent with titanous chloride.
mesh_terms: D000596:Amino Acids / Q000032:analysis*; D002852:Chromatography, Ion Exchange; D007202:Indicators and Reagents; D008722:Methods; D010084:Oxidation-Reduction; D014001:Tin
chemical_list: D000596:Amino Acids; D007202:Indicators and Reagents; D014001:Tin