title: Detection of thioureas, thiosemicarbazides and monothiosemicarbazones with 2,3-dichloro-1,4-naphthoquinone.
mesh_terms: D003124:Colorimetry; D006863:Hydrogen-Ion Concentration; D007202:Indicators and Reagents; D008722:Methods; D009285:Naphthoquinones; D013861:Thiocyanates / Q000032:analysis; D013882:Thiosemicarbazones / Q000032:analysis*; D013890:Thiourea / Q000032:analysis*
chemical_list: D007202:Indicators and Reagents; D009285:Naphthoquinones; D013861:Thiocyanates; D013882:Thiosemicarbazones; D013890:Thiourea