title: 3-hydroxypicolinaldehyde thiosemicarbazone as an analytical reagent for spectrophotometric determination of cobalt.
mesh_terms: D003035:Cobalt / Q000032:analysis*; D007202:Indicators and Reagents; D010847:Picolines / Q000031:analogs & derivatives; D013053:Spectrophotometry / Q000379:methods; D013882:Thiosemicarbazones
chemical_list: D007202:Indicators and Reagents; D010847:Picolines; D013882:Thiosemicarbazones; D003035:Cobalt