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| Titel: |
HEAVY METALS IN SNAIL AND WATER SAMPLES FROM ALARO RIVER IN OLUYOLE INDUSTRIAL AREA OF IBADAN SOUTHWESTERN NIGERIA |
| Auteur: |
ADEDEJI O.B. ADEYEMO O.K. OYEDELE M.O. |
| Verschenen in: |
Journal of applied sciences in environmental sanitation |
| Paginering: | Jaargang 6 (2011) nr. 2 pagina's 115-121 |
| Jaar: |
2011 |
| Inhoud: |
The status of heavy metal pollutants of the Alaro River within the Oluyole Industrial area in Ibadan Southwestern Nigeria was determined. The concentration and bioconcentration of the lead, arsenic, chromium and cadmium were determined in water and snail using Atomic Absorption Spectrophotometer. The level of heavy metals in water detected in Papa and Odo-Ona streams was in the order of Chromium 0.063± 0.009mg mgL-1 >Lead 0.006 ± 0.004 mgL-1 > Cadmium 0.005 ± 0.003 mgL-1 > Arsenic0.003 ± 0.001 mgL-1 and Chromium 0.078 ± 0.037 mgL-1 > Cadmium 0.005 ± 0.001 mgL-1 > Arsenic 0.005 ± 0.003 mgL-1 > Lead 0.004 ± 0.001 mgL-1 respectively. However, there were no significant differences (p=0.65, 0.45, 1, 0.53) in the levels of lead, arsenic, cadmium and chromium at the two points respectively at 95% confidence limit. Heavy metals accumulated in in-dwelling snails in the order Chromium>Lead> Arsenic > Cadmium for both Papa and Odo-ona stream. There were no significant differences (p= 0.69, 0.24, 0.72, 0.71) in the levels of lead, arsenic, cadmium and chromium at the two points respectively at 95% confidence limit. Bioconcentration factor (BCF) of the heavy metals was in the order of Arsenic>Lead>Cadmium>Chromium and Lead>Arsenic>Cadmium>Chromium for Papa and Odo-ona streams respectively. Bioconcentration factor (6.5) of Lead in Odo-ona stream was significantly (P=0.05) higher that the BCFs of other metals in both Papa and Odo-Ona streams. The Public Health implication is discussed. |
| Uitgever: |
Sepuluh Nopember Institute of Technology (ITS) (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 3 van 12 gevonden artikelen
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