title: Spectrophotometric determination of ruthenium using 4,5-diamino-6-hydroxypyrimidine sulfate.
mesh_terms: D003959:Diamines; D006863:Hydrogen-Ion Concentration; D007042:Hypoxanthines; D007202:Indicators and Reagents; D012428:Ruthenium / Q000032:analysis*; D013056:Spectrophotometry, Ultraviolet
chemical_list: D003959:Diamines; D007042:Hypoxanthines; D007202:Indicators and Reagents; D012428:Ruthenium