Diagnosis of Minerals Controlled The Carbonate Solubility in Some Calcareous Soils From North Iraq
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Minerals, Carbonate Solubility, Calcareous, X-Ray Diffraction
Abstract
Four locations were chosen from North Iraq having different soil orders namely: (Zawaita-Mollisols), (Batail-Vertisols), (Ninevah forest-Inceptisols), (Tel-Afer-Aridisols) in order to study the role of solubility diagram and x-ray diffraction analysis in determining the type of mineral which effect the carbonate solubility.Results showed that the calcite mineral effected the carbonate solubility depending on solubility diagram indicating by the points that falls under calcite mineral line represented the state under saturation with respect to this mineral. Also the results of x-ray diffraction stated the presence of calcite at d-spacing (0.304nm) and dolomite at (0.289nm), therefore the peak intensity of calcite (d-spacing) was sharpened and most height than the peak of dolomite, this conclusion was in agreement with the results of solubility diagram that were obtained above.
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Copyright (c) 2014 H. M. Ahmed, M. A. Al-Obaidi
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