title: Specific colorimetric determination of sulphanilamide in the presence of other sulphonamides by an indophenol reaction.
mesh_terms: D003124:Colorimetry; D007202:Indicators and Reagents; D007215:Indophenol; D013409:Sulfacetamide; D013414:Sulfaguanidine; D013424:Sulfanilamides / Q000032:analysis*; D013432:Sulfathiazoles; D013449:Sulfonamides / Q000032:analysis*
chemical_list: D007202:Indicators and Reagents; D013424:Sulfanilamides; D013432:Sulfathiazoles; D013449:Sulfonamides; D013414:Sulfaguanidine; D013409:Sulfacetamide; D007215:Indophenol