{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/11668"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/11668","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"The origin of multiple DSC melting peaks of Fischer-Tropsch hard waxes","abstract":"The differential scanning calorimetry (DSC) analyses of the Fischer-Tropsch (FT) hard waxes display multiple melting peaks, the origin of which is unknown. The phenomenon is sometimes referred to in the literature, but no attempt has been made to explain its cause. There are a few known causes of melting bimodality in n-alkanes and their mixtures, petroleum waxes and polymers. These are: polymorphism, chain folding and bimodal molecular weight distributions","abstract_html":"The differential scanning calorimetry (DSC) analyses of the Fischer-Tropsch (FT) hard waxes display multiple melting peaks, the origin of which is unknown. The phenomenon is sometimes referred to in the literature, but no attempt has been made to explain its cause. There are a few known causes of melting bimodality in n-alkanes and their mixtures, petroleum waxes and polymers. These are: polymorphism, chain folding and bimodal molecular weight distributions","abstract_has_math":false,"creators":["Webber, Glenda Vanessa"],"institution":"Department of Chemistry","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2009,"date_issued":"2009","date_published":"2009","updated_at":"2026-07-22T22:23:19Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/11668","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Webber, Glenda Vanessa"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2015-01-06T19:04:16Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2015-01-06T19:04:16Z"]},{"key":"dc:date.issued","label":"Date","values":["2009"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Department of Chemistry"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Cape Town"]},{"key":"dc:type","label":"Dc Type","values":["Doctoral Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Doctoral"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["PhD"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11427/11668"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Includes abstract.","Includes bibliographical references (leaves 157-163)."]},{"key":"dc:description.abstract","label":"Abstract","values":["The differential scanning calorimetry (DSC) analyses of the Fischer-Tropsch (FT) hard waxes display multiple melting peaks, the origin of which is unknown. The phenomenon is sometimes referred to in the literature, but no attempt has been made to explain its cause. There are a few known causes of melting bimodality in n-alkanes and their mixtures, petroleum waxes and polymers. These are: polymorphism, chain folding and bimodal molecular weight distributions"]},{"key":"dc:title","label":"Title","values":["The origin of multiple DSC melting peaks of Fischer-Tropsch hard waxes"]}]}],"canonical_facts":{"dc:creator":["Webber, Glenda Vanessa"],"dc:date.accessioned":["2015-01-06T19:04:16Z"],"dc:date.available":["2015-01-06T19:04:16Z"],"dc:date.issued":["2009"],"dc:description":["Includes abstract.","Includes bibliographical references (leaves 157-163)."],"dc:description.abstract":["The differential scanning calorimetry (DSC) analyses of the Fischer-Tropsch (FT) hard waxes display multiple melting peaks, the origin of which is unknown. The phenomenon is sometimes referred to in the literature, but no attempt has been made to explain its cause. There are a few known causes of melting bimodality in n-alkanes and their mixtures, petroleum waxes and polymers. These are: polymorphism, chain folding and bimodal molecular weight distributions"],"dc:identifier.uri":["http://hdl.handle.net/11427/11668"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Chemistry"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["The origin of multiple DSC melting peaks of Fischer-Tropsch hard waxes"],"dc:type":["Doctoral Thesis"],"dc:type.qualificationlevel":["Doctoral"],"dc:type.qualificationname":["PhD"]},"updated_at":"2026-07-22T22:23:19Z"}