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Selenium Geo-Availability in Stream Sediments in Selected Communities in the Kintampo Area of the Bono East Region of Ghana

Author

Listed:
  • Latifatu Alhassan Abubakar

    (Kintampo Health Research Centre, Ghana)

  • Samuel Kofi Tchum

    (Kintampo Health Research Centre, Ghana)

  • Kenneth Wiru

    (Kintampo Health Research Centre, Ghana)

  • Charlotte Tawiah

    (Kintampo Health Research Centre, Ghana)

  • Kwaku Poku-Asante

    (Kintampo Health Research Centre, Ghana)

  • Emmanuel Arhin

    (Kintampo Health Research Centre, Ghana)

Abstract

Selenium is a necessary trace element naturally found in rocks, soil, water and some food crops that contributes to human development. Due to its role in maintaining normal functions of the human body and the health problems associated with its deficiency and toxicity, it is referred to as the 'double-edged sword element'. A total of 43 stream sediment samples were collected using a Global Positioning System receiver to navigate predetermined locations. Selenium concentration in the samples was assessed using inductively coupled plasma/optical mass spectrometry technique and pH measured with a pH meter. The pollution status of Selenium was determined by calculating the degree of contamination, pollution load and geo-accumulation indices. Stream sediments were underlain by sedimentary rocks with lithologies such as sandstone, mudstone, shale and phyllite. Out of the 43 samples analyzed, 35 (81%) were deficient in selenium. Selenium levels ranged from

Suggested Citation

Handle: RePEc:epw:ejgeo0:v:3:y:2022:i:2:id:16253
DOI: 10.24018/ejgeo.2022.3.2.253
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