Lead, mercury, cadmium, chromium, nickel, copper, zinc, calcium, iron, manganese and chromium (VI) levels in Nigeria and United States of America cement dust

John Ogunbileje, V-M Ramanujam, J. I. Anetor, E. O. Farombi, O. M. Akinosun, Anthony Okorodudu

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

This study was aimed at investigating the relative abundance of heavy metals in cement dust from different cement dust factories in order to predict their possible roles in the severity of cement dust toxicity. The concentrations of total mercury (Hg), copper (Cu), chromium (Cr), cadmium (Cd), nickel (Ni), manganese (Mn), lead (Pb), iron (Fe) and chromium (VI) (Cr (VI)) levels in cement dust and clinker samples from Nigeria and cement dust sample from the United States of America (USA) were determined using graphite furnace atomic absorption (GFAAS), while Zn and Ca were measured by flame atomic absorption spectrophotometry (FAAS), and Cr (VI) by colorimetric method. Total Cu, Ni and Mn were significantly higher in cement dust sample from USA (p<. 0.05), also, both total Cr and Cr (VI) were 5.4-26 folds higher in USA cement dust compared with Nigeria cement dust or clinker (p<. 0.001). Total Cd was higher in both Nigeria cement dust and clinker (p<. 0.05 and p<. 0.001), respectively. Mercury was more in both Nigeria cement dust and clinker (p<. 0.05), while Pb was only significantly higher in clinker from Nigeria (p<. 0.001). These results show that cement dust contain mixture of metals that are known human carcinogens and also have been implicated in other debilitating health conditions. Additionally, it revealed that metal content concentrations are factory dependent. This study appears to indicate the need for additional human studies relating the toxicity of these metals and their health impacts on cement factory workers.

Original languageEnglish (US)
Pages (from-to)2743-2749
Number of pages7
JournalChemosphere
Volume90
Issue number11
DOIs
StatePublished - Mar 2013

Fingerprint

Mercury (metal)
Chromium
Manganese
Nigeria
Nickel
Dust
Mercury
Cadmium
chromium
Zinc
Copper
Calcium
manganese
nickel
Cements
cement
cadmium
Iron
Lead
zinc

Keywords

  • Cement dust
  • Chromium (VI)
  • Heavy metals
  • Nigeria
  • Toxicity
  • United States of America

ASJC Scopus subject areas

  • Environmental Chemistry
  • Chemistry(all)

Cite this

Lead, mercury, cadmium, chromium, nickel, copper, zinc, calcium, iron, manganese and chromium (VI) levels in Nigeria and United States of America cement dust. / Ogunbileje, John; Ramanujam, V-M; Anetor, J. I.; Farombi, E. O.; Akinosun, O. M.; Okorodudu, Anthony.

In: Chemosphere, Vol. 90, No. 11, 03.2013, p. 2743-2749.

Research output: Contribution to journalArticle

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