The flow injection analysis was firatly used for studying a solid-liquid adsorption system,and the dynamics process in the adsorption of adyestuff with regenerable chitin was traced by an online method of flow injection-spectrophotometry,Experimental results indicate that there is a linearization between the tested signals and the height of peaks with reciprocity coefficient 0.9999 by using the flow injection-spectrophotometry system to study the dynamics adsorption process in solid-liquid system.The method shows a good stability and reproducibility.It provides a new method for the studies on adsorption dynamics in solid-liquid system.
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