Thallium extraction in urine and water samples by nanomagnetic 4-Aminothieno[2,3-d] pyrimidine-2-thiol functionalized on graphene oxide

Volume 4, Issue 03, Pages 68-79, Sep 2021 *** Field: Analytical Chemistry

  • Seyed Jamilaldin Fatemi, (Corresponding Author) Department of Chemistry, Shahid Bahonar University of Kerman, 76169- 133, Kerman, Iran
  • Mohammad Reza Akhgar Department of Chemistry, Faculty of Science, Kerman Branch, Islamic Azad University, Kerman, Iran
  • Masoud Khaleghi Abbasabadi Researcher in Nano Technology Center, Research Institute of Petroleum Industry (RIPI), P.O. Box 14665-1998, Tehran, Iran
Keywords: Thallium, Water and Urine, Nanomagnetic 4-Aminothieno[2,3-d] pyrimidine-2-thiol functionalized on graphene oxide, Dispersive magnetic micro solid-phase extraction


Thallium is a water-soluble metal and extra dosage has toxicological effect in human body. Thallium is readily absorbed by inhalation, ingestion and skin contact. The symptomatology of thallium toxicity was seen in patients with hemorrhage, bone/gastrointestinal problems, delirium, convulsions and coma.  So, accurate determination of thallium in water and human urine is necessary. In this research, a novel and applied method based on 25 mg of nanomagnetic 4-Aminothieno[2,3-d] pyrimidine-2-thiol functionalized on graphene oxide (Fe3O4-ATPyHS@GO) was used for thallium extraction in 50 mL of water, wastewater and urine samples by dispersive magnetic micro solid-phase extraction (DM-μ-SPE). After extraction and back-extraction of solid phase by 1 mL of nitric acid solution, the concentration of thallium ions determined by flame atomic absorption spectrometry (F-AAS). The working/linear range, the limit of detection (LOD), and preconcentration factor (PF) were achieved (4-1400 μg L−1; 4-300 μg L−1), 0.9 µg L−1, and 50, respectively (Mean RSD%=1.8 water; 2.1 urine). The absorption capacity of Go and Fe3O4-ATPyHS@GO adsorbent were achieved 7.2 and 137.5 mg g-1 for 5 mg L-1 of thallium, respectively. The procedure was validated by ICP-MS analyzer.


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How to Cite
Fatemi, S. J., Akhgar, M. R., & Khaleghi Abbasabadi, M. (2021). Thallium extraction in urine and water samples by nanomagnetic 4-Aminothieno[2,3-d] pyrimidine-2-thiol functionalized on graphene oxide. Analytical Methods in Environmental Chemistry Journal, 4(03), 68-79.
Original Article

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