Published:Journal of Chromatographic Science,
ISSN 0021-9665 Volume
47, Number 1, January 2009, pp. 26-30
?On-Line Purge and Trap GC–MS for Monitoring
1,3-Dichloropropene in Agricultural Water and Soil Samples
?Antonia Garrido Frenich1, Salvador Cortés
Aguado2, José Luis Martínez Vidal1, and Francisco
Javier Arrebola1 1Research group “Analytical Chemistry of Contaminants”,
Department of Analytical Chemistry, University of Almería
04120 Almería (Spain), and 2Pesticide Residue Laboratory
C.U.A.M. – Council of El Ejido, Paraje “El Treinta”,
5, 04700 El Ejido, Almería (Spain)
?A simple and reliable method using on-line purge
and trap gas chromatography mass spectrometry has been developed
for the determination of the fumigant 1,3-dichloropropene (1,3-DCP)
in agricultural water and soil samples. The proposed analytical
methodology was validated in the target environmental matrices
by the analysis of spiked blank matrix samples. Limit of detection
values of 0.05 µg/L for water and 0.005 µg/Kg for
soils were obtained, while limits of quantitation were of 0.1 µg/L
for water and 0.01 mg/kg for soils. Good recoveries (93–104%)
and precision values (< 6%) were obtained for the target compound
in the studied matrices. This methodology has been successfully
applied to the analysis of incurred groundwater samples from
an agricultural area, The Campo de Dalías (Almería,
South Spain), although 1,3-DCP was not detected. The method was
also applied to soil samples from greenhouse treated with a soil
fumigant containing 1,3-DCP.
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