title: Spectrophotometric determination of chlorine after fixing in alkali.
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D002713:Chlorine / Q000032:analysis*; D003124:Colorimetry / Q000379:methods; D006801:Humans; D012972:Sodium Hydroxide; D013053:Spectrophotometry / Q000379:methods*; D014873:Water Pollutants / Q000032:analysis*; D014874:Water Pollutants, Chemical / Q000032:analysis*
chemical_list: D000393:Air Pollutants; D014873:Water Pollutants; D014874:Water Pollutants, Chemical; D002713:Chlorine; D012972:Sodium Hydroxide