Determination of organochorine pesticides residues in environmental samples from the republic of Azerbaijan

Document Type : Research paper

Authors

Department of Ecological Chemistry, Faculty of Ecology, Baku State University, Baku, Republic of Azerbaijan

10.22034/CAJESTI.2022.06.02

Abstract

The objective of this study was to determine the residues of organochlorine pesticides widely used in the past, such as α-BHC, β-BHC, δ-BHC, lindane, aldrin, dieldrin, endrin, endrin-aldehyde, 4,4-DDE, 4,4-DDD, 4,4- DDT, endosulfan I, endosulfan II, endosulfan sulfate, heptachlor, heptochlor epoxide, metoxychlor in environmental objects such as soil and water, and in agricultural products from Republic of Azerbaijan. The concentration of organochlorine pesticides in samples was investigated by the method of gas chromatography-mass spectrometry (GC-MS). For this purpose, soil samples were collected from the cotton plantation and samples of irrigation water, as well as samples of potatoes and apples grown in the surrounding area. The preparation of vegetables and fruits (extraction of pesticides and purification of the extract) for analysis was carried out according to the method QOST 32194-2013. The predominant residue in the agricultural products and soil samples was endosulfan I. It was concluded that the detection of pesticides in the samples could be due to the amount of pesticide residues in the soil resources resulting from intensive agricultural use in the recent past.

Graphical Abstract

Determination of organochorine pesticides residues in environmental samples from the republic of Azerbaijan

Highlights

  • Determination of organochlorine pesticide residues in soil and water and in agricultural products was performed in this study.
  • The concentration of organochlorine pesticides in samples was investigated by gas chromatography-mass spectrometry (GC-MS).
  • The analytical process was carried out according to the method QOST 32194-2013.
  • The predominant residue in the agricultural products and soil samples was endosulfan I, which could be due to the amount of pesticide residues in soil resources resulting from intensive agricultural use in the recent past.

Keywords

Main Subjects


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