Abstract:A simple, rapid, and accurate technique based on ion chromatography coupled with a suppressed conductivity detector was described to determine the inorganic anionsfluoride, chloride, nitrite, bromide, nitrate, phosphate, and sulphate in tea bag samples. A Dionex IonPac AS9-HC 4×250 mm analytical column with a Dionex IonPac AG9-HC 4×50 mm guard column was used for the chromatographic separation of the analytes. The eluent was 12 mM KOH and the limit of quantification for the inorganic anions were in the range 0… Show more
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