2008
DOI: 10.1016/j.chroma.2008.05.011
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Equilibrium-based approach for prediction of matrix-related interferences in anion chromatography

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Cited by 4 publications
(3 citation statements)
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“…When the chloride concentration was 2000, 5000, and 10,000 mg/L, the retention time of nitrite was 9.43, 9.49, and 9.56 min, respectively. This phenomenon was possibly attributed to a combination of two processes [11]: (1) self elution effect which decreased the retention time and (2) change of the eluent composition inside the column which prolonged the retention time. These processes strongly depended on the relative affinities of matrix anion and analyte anion [12].…”
Section: Resultsmentioning
confidence: 92%
See 1 more Smart Citation
“…When the chloride concentration was 2000, 5000, and 10,000 mg/L, the retention time of nitrite was 9.43, 9.49, and 9.56 min, respectively. This phenomenon was possibly attributed to a combination of two processes [11]: (1) self elution effect which decreased the retention time and (2) change of the eluent composition inside the column which prolonged the retention time. These processes strongly depended on the relative affinities of matrix anion and analyte anion [12].…”
Section: Resultsmentioning
confidence: 92%
“…There were four elimination processes, as shown in Table 1. change of eluent composition inside the column [11][12][13][14]. Hence, the retention time of nitrite increased.…”
Section: Resultsmentioning
confidence: 99%
“…A két fázis (R szilárd fázis, E eluens oldat) között zajló megoszlási folyamatra A anion esetében felírható egyensúlyi reakció (1) ahol K A/E ioncsere egyensúlyi állandó, x és y az eluens-ion ill. a mintaion töltése. A retencióval összefüggõ D megoszlási hányadosra A ion esetében adódik, hogy (2) ahol Q/x E eluens-ion szilárd fázisbeli térfogatra vonatkoztatott moláris koncentrációja, amely a sztöchiometria szerint meghatározott funkciós csoportok számával, az ioncsere kapacitással, Q adható meg, [ E x-] az eluens ion oldat fázisbeli moláris koncentrációja. A D megoszlási hányados értékébõl a k retenciós tényezõ számolható a fázisarány pontos ismeretében.…”
Section: Többkomponensû Szimultán Ioncsere Egyensúlyokunclassified