Аннотация:A new mode of detection in ion chromatography called "kinetic detection" is suggested. The technique uses an ion chromatograph with a conductimetric detector and a multichannel flow mounting with a spectrophotometric detector. The potassium bromate degradation reaction in hydrochloric acid accelerated by reducing anions, is used as a model indicator system. The sensitive determination of S2-, SO3(2-), S2O3(2-), SCN- and NO2- has been performed. The simultaneous determination of weak and strong inorganic acid anions is shown to be possible.