Optimization of ion chromatography

The strategy for planning ion chromatographic separations on a Diones AS4A column was developed on the basis of the examination of the effect of NaHCO 3, NaHCO 3 + Na 2CO 3 and Na 2CO 3 eluents on the retention times of chloridie, bromide, sulphate, nitrite, nitrate and hydrogenphosphate. The suppre...

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Bibliographic Details
Published in:Journal of Chromatography A 1991-08, Vol.552 (1-2), p.475-481
Main Authors: Gros, N., Gorenc, B.
Format: Article
Language:English
Subjects:
Analytical chemistry
Chemistry
Chromatographic methods and physical methods associated with chromatography
Exact sciences and technology
Other chromatographic methods
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Summary:The strategy for planning ion chromatographic separations on a Diones AS4A column was developed on the basis of the examination of the effect of NaHCO 3, NaHCO 3 + Na 2CO 3 and Na 2CO 3 eluents on the retention times of chloridie, bromide, sulphate, nitrite, nitrate and hydrogenphosphate. The suppressor limitations of increasing the eluent concentration, the upper eluent concentration limits of conductivity background stabilities, the upper concentration limits above which the anions are no longer well separated and the lower limits at which peaks become too wide or asymmetric were determined. On these bases the separation of other combination of anions can also be optimized.
ISSN:0021-9673
DOI:10.1016/S0021-9673(01)95963-1