Molecular Spectroscopic Analyses of Soil Close to Nile Delta Region
The soil in and close to the Nile delta is suffering from an increase in the level of pollutants which in turn decreases its quality. Accordingly, Fourier transform infrared spectroscopy (FTIR) was used to investigate the molecular structure of soil samples. Soil samples were collected from and close to drainage. A model based on ab initio calculations was utilized to describe the mechanism of interaction between organic as well as inorganic structures in soil. Both molecular modeling and FTIR data indicate that there is a possible interaction between inorganic pollutants and humic substances, mainly humic acid, which is manifested by the formation of metal carboxyl band. Samples from surface and bottom soil indicate that the carboxylate and/or metal carboxylate of humic acid may lead to the transport of pollutants from surface to bottom soil, which of course could be a source of contamination for groundwater in the area of study.
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Document Type: Research Article
Publication date: April 1, 2016
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