ANALYSIS OF SOME LUBRICATING OILS FOR TRACE METALS BY ATOMIC ABSORPTION SPECTROMETRY USING ASHING PROCEDURES

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dc.contributor.authorOJOBOR, PIUS FRANCIS OGWUCHE
dc.date.accessioned2015-07-27T11:16:22Z
dc.date.available2015-07-27T11:16:22Z
dc.date.issued1983-03
dc.descriptionA THESIS SUBMITTED TO THE POSTGRADUATE SCHOOL, AHMADU BELLO UNIVERSITY, IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF SCIENCE (ANALYTICAL CHEMISTRY) DEPARTMENT OF CHEMISTRY FACULTY OF SCIENCE AHMADU BELLO UNIVERSITY, ZARIA MARCH, 1983en_US
dc.description.abstractPetroleum contains a high percentage of hydrocarbon in addition to containing measurable quantities of metals. The metallic constituents may be indegenous to the crude oils as oil-soluble metallo-organic compounds, as a colloid, or as a filterable suspension. Metals may be introduced into the finished petroleum products extraneously in processing or during service. In certain cases the presence of metals in oils can cause the finished products to have undesirable properties such as corrosion of refinery equipment, reduction of activity of cracking catalysts (and whose replacement is expensive) equipment deterioration and premature failures in engines (resulting from excessive wear, bearing failure and radiation leaks). Moreso, metals lost to the environment as air pollutants as a result of fuel combustion and other processes through which metals are released into the environment, pose a direct health hazard. In Nigeria today, with the developing economy, the number of vehicles are on the increase,. Thus the threatposed by environmental pollution cannot be overlooked as some of these metals if inhaled or ingested can cause physiological problems.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/6680
dc.language.isoenen_US
dc.subjectLUBRICATING,en_US
dc.subjectOILS,en_US
dc.subjectTRACE METALS,en_US
dc.subjectATOMIC,en_US
dc.subjectABSORPTION,en_US
dc.subjectSPECTROMETRY,en_US
dc.subjectG ASHING PROCEDURES.en_US
dc.titleANALYSIS OF SOME LUBRICATING OILS FOR TRACE METALS BY ATOMIC ABSORPTION SPECTROMETRY USING ASHING PROCEDURESen_US
dc.typeThesisen_US
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