title: Colorimetric determination of sulfate in water with barium violurate.
mesh_terms: D001464:Barium; D002413:Cations, Divalent; D002414:Cations, Monovalent; D005069:Evaluation Studies as Topic; D007202:Indicators and Reagents; D008722:Methods; D013431:Sulfates / Q000032:analysis*; D014867:Water / Q000032:analysis*
chemical_list: D002413:Cations, Divalent; D002414:Cations, Monovalent; D007202:Indicators and Reagents; D013431:Sulfates; D014867:Water; D001464:Barium