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Article summary:

Abstract Valsamaki VI, Sakkas VA, Albanis TA:
"Determination of endocrine disrupting compounds (EDCs) in environmental samples by means of solid phase extraction coupled to GC-ECD ",
In ECPROME: 213-218, (Oct 2004)

Keywords

Abstract A method for the trace determination of four pesticides, fenarimol, fenvalerate, pendimethalin and vinclozolin in natural waters and freshwater sediments has been developed and validated. The selected compounds that are suspected for endocrine disrupting activity belong to different chemical groups and are used mainly in agriculture. The environmental analysis of the target analytes requires the use of very sensitive and selective methods, which in the present study employ an off-line solid phase extraction (SPE) step for the extraction of the analytes from natural waters and sonication with consequent SPE extraction step for purification of the sediment extracts. Styrene divinylbenzene (SDB) extraction disks, were used exhibiting excellent retention of selected compounds. Pesticide determination was carried out by gas chromatography coupled to electron-capture (ECD) detection. All procedures were shown to be linear over a wide range of concentration. High recoveries were obtained with both proposed methods ranged from 75-97% for waters and 71-78% for sediment samples and reached limits of detection in the low ng/L and μg/Kg ranges respectively. To evaluate their efficiency both methods were applied to real water and sediment samples. Analysis revealed the presence of fenarimol, pendimethalin and vinclozolin residues, demonstrating that it is appropriate to include their determination in routine analysis.

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Included Refrences 6 References (List...)

Cited by other Articles 0 Citations (List...)

Authors:

3 records found.

Name Affiliation Home page e-mail Total pubs
Albanis TA Laboratory of Industrial Chemistry, Research Unit of Environmental Chemistry and Technology, Department of Chemistry, University of Ioannina, Ioannina 45110, Greece talbanis@cc.uoi.gr 72
Sakkas VA Department of Chemistry, University of Ioannina vsakkas@cc.uoi.gr 26
Valsamaki VI 1

Article is cited by:
No records found.

References included in article:
6 records found.

Order of appearence Full citation SRCosmos Link
1 Salau JS, Alonso R, Batllo G, Barcelo D,
Anal. Chim Acta, 1994, 293, 109-117.
2 Zhang ZL,
Chemosphere, 2003, 52, 1423-1430.
3 De-Mora S,
Marine Pollution Bulletin, 2004, 48, 30-43.
4 Konstantinou IK, Hela DG, Lambropoulou DA, Sakkas VA, Albanis TA,
Chromatographia, 2002, 56, 745-751.
5 Martinez K, Barcelo D, Fresenius J,
Anal. Chem. 2001, 370, 940.
6 Gatidou G, Kotrikla A, Thomaidis N, Lekkas T,
Anal. Chim. Acta, 2003, in press.

Keywords
Abstract	A method for the trace determination of four pesticides, fenarimol, fenvalerate, pendimethalin and vinclozolin in natural waters and freshwater sediments has been developed and validated. The selected compounds that are suspected for endocrine disrupting activity belong to different chemical groups and are used mainly in agriculture. The environmental analysis of the target analytes requires the use of very sensitive and selective methods, which in the present study employ an off-line solid phase extraction (SPE) step for the extraction of the analytes from natural waters and sonication with consequent SPE extraction step for purification of the sediment extracts. Styrene divinylbenzene (SDB) extraction disks, were used exhibiting excellent retention of selected compounds. Pesticide determination was carried out by gas chromatography coupled to electron-capture (ECD) detection. All procedures were shown to be linear over a wide range of concentration. High recoveries were obtained with both proposed methods ranged from 75-97% for waters and 71-78% for sediment samples and reached limits of detection in the low ng/L and μg/Kg ranges respectively. To evaluate their efficiency both methods were applied to real water and sediment samples. Analysis revealed the presence of fenarimol, pendimethalin and vinclozolin residues, demonstrating that it is appropriate to include their determination in routine analysis.
Full text	Full Text in PDF (78 KB)
Source link
Included Refrences	6 References (List...)
Cited by other Articles	0 Citations (List...)

Name	Affiliation	Home page	e-mail	Total pubs
Albanis TA	Laboratory of Industrial Chemistry, Research Unit of Environmental Chemistry and Technology, Department of Chemistry, University of Ioannina, Ioannina 45110, Greece		talbanis@cc.uoi.gr	72
Sakkas VA	Department of Chemistry, University of Ioannina		vsakkas@cc.uoi.gr	26
Valsamaki VI				1

Order of appearence	Full citation	SRCosmos Link
1	Salau JS, Alonso R, Batllo G, Barcelo D, Anal. Chim Acta, 1994, 293, 109-117.
2	Zhang ZL, Chemosphere, 2003, 52, 1423-1430.
3	De-Mora S, Marine Pollution Bulletin, 2004, 48, 30-43.
4	Konstantinou IK, Hela DG, Lambropoulou DA, Sakkas VA, Albanis TA, Chromatographia, 2002, 56, 745-751.
5	Martinez K, Barcelo D, Fresenius J, Anal. Chem. 2001, 370, 940.
6	Gatidou G, Kotrikla A, Thomaidis N, Lekkas T, Anal. Chim. Acta, 2003, in press.