Andere Kunden interessierten sich auch für
![Reduction of toxic metals in aquatic systems using mineral adsorbents]( "Reduction of toxic metals in aquatic systems using mineral adsorbents")
Reduction of toxic metals in aquatic systems using mineral adsorbents27,99 €![Biological Monitoring of Toxic Metals]( "Biological Monitoring of Toxic Metals")
Biological Monitoring of Toxic Metals115,99 €![Toxic Metals in Soil-Plant Systems]( "Toxic Metals in Soil-Plant Systems")
Toxic Metals in Soil-Plant Systems645,99 €![Potentially Toxic Element Contamination in Closed Urban Landfills]( "Potentially Toxic Element Contamination in Closed Urban Landfills")
Potentially Toxic Element Contamination in Closed Urban Landfills46,99 €![Potentially Toxic Elements Pollution in Urban and Suburban Environments]( "Potentially Toxic Elements Pollution in Urban and Suburban Environments")
Potentially Toxic Elements Pollution in Urban and Suburban Environments83,99 €![Assessment and Remediation of Soils Contaminated by Potentially Toxic Elements (PTE)]( "Assessment and Remediation of Soils Contaminated by Potentially Toxic Elements (PTE)")
Assessment and Remediation of Soils Contaminated by Potentially Toxic Elements (PTE)71,99 €![Heavy Metal Pollution]( "Heavy Metal Pollution")
Heavy Metal Pollution44,99 €
The study has found that the toxic metals are distributed on the top layer and bottom layer (20 cm) of the river and stream sediments. The levels of toxic metals (Mn, Cu, Cd, Co, Zn and Ni) were determined in sediment from stream that drains New Union Gold Mine tailings dams using Flame Atomic Absorption Spectroscopy. The concentration of the heavy metals were arranged in descending order where Manganese Copper Nickel Zinc Cobalt Cadmium. The range of toxic metals in the top and bottom layers were: Mn (99.1 ± 0.1 mg/kg to 203.5 ± 2.1 mg/kg); Cu (8.9 ± 0.1 to 65.7 ± 4.0 mg/kg); Ni (6.1 ± 0.1 to 63.5 ± 1.2 mg/kg); Zn (12.5 ± 0.6 to 36.2 ± 0.3 mg/kg); Co (4.1 ± 0.1 to 18.8 ± 0.5 mg/kg); Cd (0.2 ±0.00 to 1.3 ±0.1 mg/kg). The pH of top soil profile ranged from 3.25 ± 0.01 to 6.28 ± 0.02 whereas the bottom soil profile of ranged from 3.75 ± 0.01 to 6.45 ± 0.03. The pH of the sediments in the stream that drains New Union Gold Mine tailings dams was found to be mainly acidic. The electrical conductivity of top layer sediments in the stream and the Mandzoro River ranged from 8.5 ± 0.20 to 16.3 ± 0.1 mS/cm. and the bottom layer ranged from 8.4 ± 0.20 to 15.3 ± 0.23 mS/cm.