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Ion Chromatography (IC) has been developed for the determination of inorganic ions and organic acids. Chromatography can yield the precise and reproducible data if the experimental condition is kept constant. In this study, the cations Na + , NH4 + , K + and Ca 2+ in the yoghourt and beers were determined with the technique of IC. A Dionex ICS-2000 ion chromatograph with a Dionex gradient pump, eluent degassing module and conductivity detector was used. Cations were separated on a CS12 A ion-exchange column, with a CG-12 A guard column and detected after suppression with CSRS 300 cation electrical self-regenerating suppressor. The results indicated that the technique of IC was suitable for the rapid, precise and accurate determination of Na + , NH4 + , K + and Ca 2+ in the yoghourt and beer samples. In addition, the acceptable detection limits were obtained for Na + , NH4 + , K + and Ca 2+ and the time of analysis was significantly shortened with the technique of IC. The data will provide theories and rapid methods for the supervision of yoghourt and beer quality.

advance journal of food science and technology/advance journal of food science and technology

Detection of Na&lt;sup&gt;+&lt;/sup&gt;, NH&lt;sub&gt;4&lt;/sub&gt;&lt;sup&gt;+&lt;/sup&gt;, K&lt;sup&gt;+&lt;/sup&gt; and Ca&lt;sup&gt;2+&lt;/sup&gt; in the Yoghourt and Beer