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Articles by T.R. Ajayi
Total Records ( 2 ) for T.R. Ajayi
  A. Akinlua , T.R. Ajayi and B.B. Adeleke
  A preliminary study of the rare earth element contents of some Niger Delta oils was carried out to evaluate their influence on petroleum system of the Niger Delta Basin. The oil samples were obtained from an onshore field in the Niger Delta and analyzed using Inductively Coupled Plasma Mass Spectrometric (ICP-MS) analytical technique. Four Light Rare Earth Elements (LREE), La, Ce, Nd and Pr were detected. Their concentrations varied from 0.009 to 0.49 ppb, 0.058 to 1.58 ppb, 0.01 to 0.47 ppb and 0 to 0.18 pbb, respectively. All the LREE showed significant and positive correlation with each other and also have significant correlation with aromaticity index (Toluene/nC7). The study showed that REE are not good for classification of oils but provide another tool in oil-oil correlation.
  F.M. Adebiyi , O.I. Asubiojo , T.R. Ajayi and L.M. Durosinmi
  Multisolvent determination of the pH of soils from areas of Nigeria bituminous sand deposits was carried out using the electrometric method to establish the pH of the soils before the commencement of the exploitation of the bituminous sands and also to know the variation of pH of the soils using variable solvents over a range of soil to solvent dilution ratios. Soil sampling was done at two different depths viz., 0-50 cm and 50-100 cm and the samples were prepared for pH measurements using three commonly recommended solvents viz: distilled water, 0.01 M and 1 M KCI solutions. The results indicate the soil types are acid soils. This research will also add to the existing exploration data on the study area before the commencement of the exploitation of the natural resources.
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