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2011•Chinese Journal of Health Laboratory TechnologyRequires access

Simultaneous determination of chlorite,chlorate and bromide in drinking water by ion chromatography

QQ Fei-fei

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Abstract

Objective:To establish a method for detemination of chlorate,chlorite and bromide residues in drinking water by ion chromatography(IC).Methods:The separation was performed on an IonPac AS23 analytical column(4×250 mm) and an IonPac AG23 guard column(4×50 mm)with an ASRS300 Suppressor by 4.5 mmol/L sodium carbonate and 0.8 mmol/Lsodium bicarbonate eluent,1.00 ml/min flow rate with a DS6 suppressed conductivity detector.Results:This method had good relativity(r≥0.9996) and good analytic precision(RSD2%).The samples'average rates of recovery were 88.0%～104.0% and the detection limit was 0.0015 mg/L～0.0018 mg/L.Conclusion:The method is simple,rapid,accurate and sensitive.Thus it can be used for determination of by-products in the drinking water.

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Objective:To establish a method for detemination of chlorate,chlorite and bromide residues in drinking water by ion chromatography(IC).Methods:The separation was performed on an IonPac AS23 analytical column(4×250 mm) and an IonPac AG23 guard column(4×50 mm)with an ASRS300 Suppressor by 4.5 mmol/L sodium carbonate and 0.8 mmol/Lsodium bicarbonate eluent,1.00 ml/min flow rate with a DS6 suppressed conductivity detector.Results:This method had good relativity(r≥0.9996) and good analytic precision(RSD2%).The samples'average rates of recovery were 88.0%～104.0% and the detection limit was 0.0015 mg/L～0.0018 mg/L.Conclusion:The method is simple,rapid,accurate and sensitive.Thus it can be used for determination of by-products in the drinking water.

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Available abstract

Objective:To establish a method for detemination of chlorate,chlorite and bromide residues in drinking water by ion chromatography(IC).Methods:The separation was performed on an IonPac AS23 analytical column(4×250 mm) and an IonPac AG23 guard column(4×50 mm)with an ASRS300 Suppressor by 4.5 mmol/L sodium carbonate and 0.8 mmol/Lsodium bicarbonate eluent,1.00 ml/min flow rate with a DS6 suppressed conductivity detector.Results:This method had good relativity(r≥0.9996) and good analytic precision(RSD2%).The samples'average rates of recovery were 88.0%～104.0% and the detection limit was 0.0015 mg/L～0.0018 mg/L.Conclusion:The method is simple,rapid,accurate and sensitive.Thus it can be used for determination of by-products in the drinking water.

Key concepts: Chlorate, Chemistry, Ion chromatography, Chromatography, Column chromatography, Thermal conductivity detector, Bromide, Detection limit

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