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Determination of Pesticide Residues in Water using On-line SPE-HPLC Coupling System
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1995, v.8 no.4, pp.539-543
Lee,
D. W., Lee,
S. K., Park,
Y. H., &
Paeng,
K.
(1995). Determination of Pesticide Residues in Water using On-line SPE-HPLC Coupling System. Analytical Science and Technology, 8(4), 539-543.
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Abstract
The on-line SPE-HPLC coupling system was developed for the efficient separation and determination of trace pesticides, such as phenoxyacetic acids and esters, and triazines in aqueous solutions. By using the developed SPE-HPLC on-line system, the band broadening usually observed in single precolumn switching mode was greatly reduced, consequently, the quantitative determination of trace pesticides could be achieved, Besides, since most of the analytes preconcentrated by SPE column could be injected directly into HPLC system, the limit of detection can be improved down to ppt level.
- keywords
- solid phase extraction, triazines, phenoxyacetic acids/phenoxyacetic esters, preconcentration, on-line SPE-HPLC
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