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《Chinese Journal of Public Health Engineering》 2017-01
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Determination of lithium,sodium,ammonium,potassium,magnesium,calcium cations in water for haemodialysis and related therapies by ion chromatography

WANG Yun-xin;LI Qing;LIU Si-jie;WANG Bo;GUO Jin-zhi;ZHANG Guan-ying;Jilin Provincial Center for Disease Control and Prevention;  
Objective To develop a method for determination of lithium,sodium,ammonium,potassium,magnesium calcium cations in water for haemodialysis and related therapies by ion chromatography. Methods Ion chromatography was applied in this mehod,6 ions were separated by CS12 A separation column with eluent containing 20 mmol/L methanesulfonic acid as mobile phase. The flow rate was 1. 0 ml/min. Results Linear curve was obtained in the range of 0. 02-10. 00 mg/L with a correlation coefficient more than 0. 999. RSD of these 6 ions was less than 6. 24%. The labeled recovery yields were around 98. 3% to 103. 67%. The detection limit of lithium,sodium,ammonium,potassium,magnesium,calcium cations were 0. 005,0. 03,0. 04,0. 03,0. 05,0. 04 mg/L respectively. Conclusion The method enables rapid,accurate and sensitive analysis for water for haemodialysis and related therapies.
【CateGory Index】: R459.5;O657.7
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