ANALYSIS OF SOME NIGERIAN SOILS

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dc.contributor.authorAKANYA, NDANUSA JOHN.
dc.date.accessioned2014-02-25T14:31:01Z
dc.date.available2014-02-25T14:31:01Z
dc.date.issued1979-01
dc.descriptionDEPARTMENT OF CHEMISTRY AHMADU BELLO UNIVERSITY ZARIA, NIGERIA.en_US
dc.description.abstractABSTRACT The problems encountered in the analysis of soils, decomposition of refactory materials and methods of determination of elements are revealed in a literature survey. On the basis of previously reported work, Differential Thermal Analysis, X-Ray, Cation Exchange Capacity, glycol retention properties and chemical analyses have been employed to identify and quantify the clay minerals and elements present in each soil sample. The decomposition of the samples was by sodium peroxide fusion and the different methods used in estimating the concentration of the elements in solution are described. Some Nigerian soils were collected and separately analysed to determine their elemental and mineralogical constituent. From the results of Differential Thermal Analysis, montmorillonite and kaolinite are the dominant clay minerals. This was confirmed by the results of X-ray analysis. The percentages of montmorillonite for all the samples lie between (6.1 - 83.4%) while kaolinite was (50.6 - 100%). Illite was present in four samples Bakura, Wase, Kongo and Suleiman Hall soils, although its concentration in each was relatively low (1.9 - 16.3%). The constituent elements were determined using Atomic Absorption Spectrophotometer and chemical methods. Generally, the major constituents for all samples are silica, and aluminium. vi The concentration of silica and aluminium in all the samples are relatively high, Si02 (43.10 - 51.25%) and Al (4.89 - 10.05%). The concentrations of Fe are greater in the latcritic and the Area E soil samples. All such soil samples have low Fe (16. 89 - 22.59%) contents. The Maiduguri black cotton soil has greater amounts of SiO_ (51.25%) and Al (10.05%). The concentrations of elements in all other samples follow similar trends. These results indicate that the kaolinite containing soil samples could be used for construction works, but because of the low iron contents of the samples, modifications :may be needed when used for the production of clay products. These soils cannot however be economically exploited as sources of iron and aluminium in the foreseeable future.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/2673
dc.language.isoenen_US
dc.subjectANALYSIS,en_US
dc.subjectNIGERIAN,en_US
dc.subjectSOILS.en_US
dc.titleANALYSIS OF SOME NIGERIAN SOILSen_US
dc.typeThesisen_US
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