THE STUDIES OF CHEMICAL ANALYSIS OF RAW MATERIALS FOR GLASS;INDUSTRY IN THE ARID ZONE OF NIGERIA
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Results of chemical analysis of some sands in the arid zane ofNorrh Eastern Nigeda hw.'e shown thai the
sands are S!iilable rmv materials for the glass industry. The major gh1ss forming oxide which is sii1cc, has
been determined to be high, rangingfi"om 7-1 tc,94%_ In particula1; samples three (Dapchi) andfcve (Ngala)
are suitable for all glass making. The extent of substitutio.~,pf ammonia group, (R,OJ) for the metal oxides
was determined in percentages for all the samples. It was found to be a function of the percentage
compositioll of silica. The deleterious hemy metals were no/ detected. a foct which also makes the sample
suitable for glass making. The perce,tage of oxide of iron (Fe,OJ) is relatively high in these samples
ranging betweenl.70% and 1..59% thus making them viable for colour and amber glasses.
Keywords
T Technology (General), TJ Mechanical engineering and machinery