Spectrophotometric determination of tungstate using an iron salt, a thiol and oxygen.
D007501:Iron; D010100:Oxygen; D013438:Sulfhydryl Compounds; D014414:Tungsten / Q000032:analysis*; D017973:Tungsten Compounds
D013438:Sulfhydryl Compounds; D017973:Tungsten Compounds; D007501:Iron; D010100:Oxygen; C045951:tungstate; D014414:Tungsten