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Simultaneous Determination of Bromate,Chlorite,Chlorate and Common Inorganic Anions in Drinking Water by Ion Chromatography

Hongbin Wang

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Abstract

An analytical method for the simultaneous determination of bromate,chlorite,chlorate and common inorganic anions in drinking water was developed using large-volume direct injection and chemically suppressed ion chromatography(IC).An IonPac AS9-HC separation column and an IonPac AG9-HC protection column were used.The mobile phase was 12 mmol/L Na2CO3 at a flow rate of 1.0 mL/min.The injection volume was 100μL.Ten anions could be detected by the method within 18 min with average spike recovery of 93.0%～103.1%(n = 5).The correlation coefficients of calibration curve were 0.9993～0.9999.This method was sensitive,accurate and rapid.It has been applied to determine Kunming tap water and a variety of commercial drinking water with satisfying results.

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An analytical method for the simultaneous determination of bromate,chlorite,chlorate and common inorganic anions in drinking water was developed using large-volume direct injection and chemically suppressed ion chromatography(IC).An IonPac AS9-HC separation column and an IonPac AG9-HC protection column were used.The mobile phase was 12 mmol/L Na2CO3 at a flow rate of 1.0 mL/min.The injection volume was 100μL.Ten anions could be detected by the method within 18 min with average spike recovery of 93.0%～103.1%(n = 5).The correlation coefficients of calibration curve were 0.9993～0.9999.This method was sensitive,accurate and rapid.It has been applied to determine Kunming tap water and a variety of commercial drinking water with satisfying results.

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Available abstract

An analytical method for the simultaneous determination of bromate,chlorite,chlorate and common inorganic anions in drinking water was developed using large-volume direct injection and chemically suppressed ion chromatography(IC).An IonPac AS9-HC separation column and an IonPac AG9-HC protection column were used.The mobile phase was 12 mmol/L Na2CO3 at a flow rate of 1.0 mL/min.The injection volume was 100μL.Ten anions could be detected by the method within 18 min with average spike recovery of 93.0%～103.1%(n = 5).The correlation coefficients of calibration curve were 0.9993～0.9999.This method was sensitive,accurate and rapid.It has been applied to determine Kunming tap water and a variety of commercial drinking water with satisfying results.

Key concepts: Chlorate, Bromate, Ion chromatography, Chemistry, Chlorite, Chromatography, Tap water, Volume (thermodynamics)

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Simultaneous Determination of Bromate,Chlorite,Chlorate and Common Inorganic Anions in Drinking Water by Ion Chromatography — Research Paper | ScholarLens