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https://doi.org/10.1016/S0043-1354(98)00140-7

has been cited by the following article:

• TITLE: Pesticides Recovery and Detection from Agricultural Soil Leachates Using Gas Chromatography Masses with Electron Capture Detector

  AUTHORS: Lluvia Paola Medina-Armenta, Gustavo Cruz-Jiménez, Margarita Teutli-León, Luis A. García de la Rosa, Rossy Feria-Reyes

  KEYWORDS: Leaching of Organochlorine Compounds, Surfactants, Desorption of Pesticides, Packed Columns, Soil, Gas Chromatography-ECD

  JOURNAL NAME: American Journal of Analytical Chemistry, Vol.8 No.10, October 24, 2017

  ABSTRACT: In this study, it is reported an analytical approach to recover organochlorine pesticides from a clay soil. Soil was physical and chemically characterized. Also pesticides extraction was carried out using packed columns and various aqueous media (H2O-milliQ, NaOH, HCl, SDS, Triton X-114, Humic acids and Acetonitrile). The leachate samples were analyzed on an Agilent Technologies 6890N Gas Chromatograph with electron capture in a# AB002 Column 30.0 m × 250 μm × 0.25 μm calibrated, 25 psi pressure, flow 2.9 ml/min, temperature 25°C, ultra-high purity Helium as the entrainment gas and an elution time of 50 min. The results show that the highest extraction percentage of pollutants in the soil washing was obtained with acetonitrile recovering: p, p’-DDT (91.0%); p, p’-DDE (92.0%); p, p’-DDD (96.0%); aldrin (98.6%); dieldrin (98.0%). With Triton X-114, the extractions recovery was: p, p’-DDT (63.0%); p, p’-DDE (64.0%); p, p’-DDD (65.0%); aldrin (67.0%); dieldrin (72.0%). This study illustrates the potential Applicability of SPME for routine analysis of organochlorine pesticides in soils.