Masters theses : Science

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    Analysis of Topological Structure of Artificially Porous Gum Arabic by Scanning Electron Microscope(SEM)
    (ALNEELAIN UNIVERSITY, 2007-10) Amna Adam Hamid
    Abstract Artificial porosity in Gum Arabic has been formed after being blended with Potassium bromate by using chemical method. Structural characterization is carried out by scaning electron microscope (SEM) micrographs exhibited equal K Br distribution and poly dispersed porosity by the combination of SEM and image analysis techniques we are enabled to trace the features and topology of the produced porosity. From the results obtained we have found that, the porosity had show random growth and increases in size and density after thermal treatment. This increment can be attributed to the connectivity of pores.