TITLE

Serial separation of cations and anions by ion chromatography using the peak parking technique and sulfosalicylic acid as the eluent

AUTHOR(S)
Amin, Muhammad; Lee Wah Lim; Takeuchi, Toyohide
PUB. DATE
January 2006
SOURCE
Analytical & Bioanalytical Chemistry;Jan2006, Vol. 384 Issue 3, p839
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
An improvement of the peak parking technique is described for the serial determination of cations (Na+, % MathType!Translator!2!1!AMS LaTeX.tdl!TeX -- AMS-LaTeX!% MathType!MTEF!2!1!+-% feaaeaart1ev0aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX% garmWu51MyVXgatuuDJXwAK1uy0HwmaeHbfv3ySLgzG0uy0Hgip5wz% aebbnrfifHhDYfgasaacH8qrps0lbbf9q8WrFfeuY-Hhbbf9v8qqaq% Fr0xc9pk0xbba9q8WqFfea0-yr0RYxir-Jbba9q8aq0-yq-He9q8qq% Q8frFve9Fve9Ff0dmeaabaqaciGacaGaaeqabaWaaeWaeaaakeaaru% avP1wzZbItLDhis9wBH5gaiuaacaWFobGaa8hsamaaDaaaleaacaWF% 0aaabaGaa83kaaaaaaa!4042! $$NH^{ + }_{4} $$ , K+, Mg2+, and Ca2+) and anions (Cl−, % MathType!Translator!2!1!AMS LaTeX.tdl!TeX -- AMS-LaTeX!% MathType!MTEF!2!1!+-% feaaeaart1ev0aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX% garmWu51MyVXgatuuDJXwAK1uy0HwmaeHbfv3ySLgzG0uy0Hgip5wz% aebbnrfifHhDYfgasaacH8qrps0lbbf9q8WrFfeuY-Hhbbf9v8qqaq% Fr0xc9pk0xbba9q8WqFfea0-yr0RYxir-Jbba9q8aq0-yq-He9q8qq% Q8frFve9Fve9Ff0dmeaabaqaciGacaGaaeqabaWaaeWaeaaakeaaru% avP1wzZbItLDhis9wBH5gaiuaacaWFtbGaa83tamaaDaaaleaacaWF% 0aaabaGaa8Nmaiaa-1caaaaaaa!4103! $$SO^{{2 - }}_{4} $$ , and % MathType!Translator!2!1!AMS LaTeX.tdl!TeX -- AMS-LaTeX!% MathType!MTEF!2!1!+-% feaaeaart1ev0aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX% garmWu51MyVXgatuuDJXwAK1uy0HwmaeHbfv3ySLgzG0uy0Hgip5wz% aebbnrfifHhDYfgasaacH8qrps0lbbf9q8WrFfeuY-Hhbbf9v8qqaq% Fr0xc9pk0xbba9q8WqFfea0-yr0RYxir-Jbba9q8aq0-yq-He9q8qq% Q8frFve9Fve9Ff0dmeaabaqaciGacaGaaeqabaWaaeWaeaaakeaaru% avP1wzZbItLDhis9wBH5gaiuaacaWFobGaa83tamaaDaaaleaacaWF% ZaaabaGaa8xlaaaaaaa!404A! $$NO^{ - }_{3} $$ ) using a single pump, a single eluent and a single detector. The present system used commercially-available unmodified cation exchange and anion exchange columns, which were attached to each switching valve. When 1.75 mM 5-sulfosalicylic acid was used as the eluent, serial separation of the above cations and anions was achieved in less than 20 min. The proposed ion chromatographic method was successfully applied to the serial determination of cations and anions in tap water and river water samples. The limits of detection at S/N=3 for an injection of 20 μl were 16–68 ppb (μg/l) for cations and 15–28 ppb for anions.
ACCESSION #
19718186

 

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