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Determination of Bromate in Drinking Natural Mineral Water by Ion Chromatography

Yang We

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Abstract

This method is applied with USA Dionex company ICS-1100 ion chromatographyand Dionex IonPac AS22 anion analysis column. The 4.5mmol/L Na2CO3+0.8mmol/L NaHCO3 was used for isocratic elution. After the process of ASRS300(4mm) anion suppressor,CRD300 carbon dioxide removal device andTemperature control conductivity detector were installed with the injection volume of 300μL. Bromate was Determined by calculating the peak areain drinking natural mineral water. In calibration curve coefficient r equals to 0.9998,the detection limit 4.54μg/L,RSD0.42% ~1.90% and the recoveries between 96.2% ~ 101.3%.

About this research paper

What this paper is about

This method is applied with USA Dionex company ICS-1100 ion chromatographyand Dionex IonPac AS22 anion analysis column. The 4.5mmol/L Na2CO3+0.8mmol/L NaHCO3 was used for isocratic elution. After the process of ASRS300(4mm) anion suppressor,CRD300 carbon dioxide removal device andTemperature control conductivity detector were installed with the injection volume of 300μL. Bromate was Determined by calculating the peak areain drinking natural mineral water. In calibration curve coefficient r equals to 0.9998,the detection limit 4.54μg/L,RSD0.42% ~1.90% and the recoveries between 96.2% ~ 101.3%.

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Available abstract

This method is applied with USA Dionex company ICS-1100 ion chromatographyand Dionex IonPac AS22 anion analysis column. The 4.5mmol/L Na2CO3+0.8mmol/L NaHCO3 was used for isocratic elution. After the process of ASRS300(4mm) anion suppressor,CRD300 carbon dioxide removal device andTemperature control conductivity detector were installed with the injection volume of 300μL. Bromate was Determined by calculating the peak areain drinking natural mineral water. In calibration curve coefficient r equals to 0.9998,the detection limit 4.54μg/L,RSD0.42% ~1.90% and the recoveries between 96.2% ~ 101.3%.

Key concepts: Bromate, Ion chromatography, Chemistry, Natural mineral, Thermal conductivity detector, Detection limit, Calibration curve, Chromatography

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