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Browsing Natural and Agricultural Sciences by Supervisor "Rand, Brian"
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(University of Pretoria, 2009-04-16)Refcoal is a carbon precursor obtained by alkali-mediated extraction of coal with aprotic solvents such as DMF. Refcoal can be converted into a graphitic material through appropriate heat treatment. Graphitisable materials ...
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(University of Pretoria, 2009-12-08)The formation and development of mesophase from different pitches under carbonisation conditions was investigated. Members of the pyrolysis series were prepared from four pitches. A temperature range between 380 and 500°C ...
Now showing items 1-2 of 2