Determination of acidic pesticides in the drinking water of Greece using capillary gas chromatography mass spectrometry

There is no data currently available on acidic pesticides in the drinking water of Greece, although considerable quantities of them are in use. In this study, the occurrence of the six most important acidic herbicides in the drinking water of Greece was investigated. The target compounds studied inc...

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Bibliographic Details
Published in:Water, air, and soil pollution air, and soil pollution, 1998-06, Vol.104 (3-4), p.259-268
Main Authors: Tsipi, D. (General Chemical State Lab., Athens (Greece)), Hiskia, A, Heberer, T, Stan, H.J
Format: Article
Language:English
Subjects:
2,4-D
ACIDE
ACIDOS
ACIDS
AGUA POTABLE
Capillarity
CHROMATOGRAPHIE EN PHASE GAZEUSE
Chromatography
CROMATOGRAFIA DE GASES
Detection limits
DRINKING WATER
EAU POTABLE
Environmental monitoring
ESPECTROMETRIA DE MASAS
GAS CHROMATOGRAPHY
GRECE
GRECIA
GREECE
HERBICIDAS
HERBICIDE
HERBICIDES
MASS SPECTROMETRY
Mass spectroscopy
Mecoprop
Monitoring
Pesticides
Scientific imaging
SPECTROMETRIE DE MASSE
Spectrometry
Spectroscopy
Water analysis
Water sampling
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Summary:There is no data currently available on acidic pesticides in the drinking water of Greece, although considerable quantities of them are in use. In this study, the occurrence of the six most important acidic herbicides in the drinking water of Greece was investigated. The target compounds studied include four chlorophenoxy herbicides, namely mecoprop, dichlorprop, MCPA and 2,4-D, and two other acidic herbicides, i.e. bromoxynil and bentazone. Analysis was carried out at a concentration level of 100 ng L^sup -1^ using capillary gas chromatography-mass spectrometry (GC-MS) with selected ion monitoring (SIM). The method involved a pre-concentration with solid phase extraction and derivatization with pentafluorobenzyl bromide. Thirty-eight samples of drinking water from nine regions in Greece were screened. No herbicides were detected although fortification experiments with parallel water samples resulted in recovery rates better than 70%. The detection limits of the recovered compounds were found to be between 10 and 50 ng L^sup -1^.[PUBLICATION ABSTRACT]
ISSN:0049-6979
1573-2932
DOI:10.1023/A:1004963103970