{"id":{"repo_id":"creighton","oai_identifier":"oai:cdr.creighton.edu:10504/120930"},"canonical_url":"https://search.dev.ndltd.org/etd/creighton/oai:cdr.creighton.edu:10504/120930","repository":{"repo_id":"creighton","name":"Creighton University","base_url":"https://cdr.creighton.edu/server/oai/request"},"display":{"title":"Polarographic Study of Metal Thiourea Complexes: a Computer Least Squares Approach","abstract":"Several articles (1,2,3A ) have appeared in which metal-thiourea complex formation constants have been calculated from the half-wave shifts of the complexes. However, the Lingane and DeFord-Hume Equations which were used can only be applied to the complexes of reversible metal ions. | The purpose of this work was to explore an extension of the DeFord-Hume Equation to calculate the complex formation constants of an irreversible metal ion, in this case Ni (IT). In order to use the method previously used by Crow and Westwood (5), a reversible metal-thiourea system had to be studied thoroughly. To make full use of the data, a computer least squares program was used to solve a set of simultaneous equations, as Klatt and Rouseff proposed (6 ). The nickel(II)-thiourea complex formation constants should then be calculable from the effect of Ni(II) on the Pb(II) wave.","abstract_html":"Several articles (1,2,3A ) have appeared in which metal-thiourea complex formation constants have been calculated from the half-wave shifts of the complexes. However, the Lingane and DeFord-Hume Equations which were used can only be applied to the complexes of reversible metal ions. | The purpose of this work was to explore an extension of the DeFord-Hume Equation to calculate the complex formation constants of an irreversible metal ion, in this case Ni (IT). In order to use the method previously used by Crow and Westwood (5), a reversible metal-thiourea system had to be studied thoroughly. To make full use of the data, a computer least squares program was used to solve a set of simultaneous equations, as Klatt and Rouseff proposed (6 ). The nickel(II)-thiourea complex formation constants should then be calculable from the effect of Ni(II) on the Pb(II) wave.","abstract_has_math":false,"creators":["Shearer, Greg Otis"],"institution":"Creighton University","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Zebolsky, Donald M."],"committee_chairs":[],"committee_members":[],"year":1971,"date_issued":"1971","date_published":"1971","updated_at":"2026-07-24T01:52:24Z","subjects":[],"languages":["en_US"],"rights":["A non-exclusive distribution right is granted to Creighton University and to ProQuest following the publishing model selected above."],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/10504/120930","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Zebolsky, Donald M."]},{"key":"dc:creator","label":"Author","values":["Shearer, Greg Otis"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2019-01-10T16:46:05Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2019-01-10T16:46:05Z"]},{"key":"dc:date.issued","label":"Date","values":["1971"]},{"key":"dc:publisher","label":"Institution","values":["Creighton University"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en_US"]},{"key":"dc:rights","label":"Dc Rights","values":["A non-exclusive distribution right is granted to Creighton University and to ProQuest following the publishing model selected above."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/10504/120930"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Several articles (1,2,3A ) have appeared in which metal-thiourea complex formation constants have been calculated from the half-wave shifts of the complexes. However, the Lingane and DeFord-Hume Equations which were used can only be applied to the complexes of reversible metal ions. | The purpose of this work was to explore an extension of the DeFord-Hume Equation to calculate the complex formation constants of an irreversible metal ion, in this case Ni (IT). In order to use the method previously used by Crow and Westwood (5), a reversible metal-thiourea system had to be studied thoroughly. To make full use of the data, a computer least squares program was used to solve a set of simultaneous equations, as Klatt and Rouseff proposed (6 ). The nickel(II)-thiourea complex formation constants should then be calculable from the effect of Ni(II) on the Pb(II) wave."]},{"key":"dc:title","label":"Title","values":["Polarographic Study of Metal Thiourea Complexes: a Computer Least Squares Approach"]}]}],"canonical_facts":{"dc:contributor.advisor":["Zebolsky, Donald M."],"dc:creator":["Shearer, Greg Otis"],"dc:date.accessioned":["2019-01-10T16:46:05Z"],"dc:date.available":["2019-01-10T16:46:05Z"],"dc:date.issued":["1971"],"dc:description.abstract":["Several articles (1,2,3A ) have appeared in which metal-thiourea complex formation constants have been calculated from the half-wave shifts of the complexes. However, the Lingane and DeFord-Hume Equations which were used can only be applied to the complexes of reversible metal ions. | The purpose of this work was to explore an extension of the DeFord-Hume Equation to calculate the complex formation constants of an irreversible metal ion, in this case Ni (IT). In order to use the method previously used by Crow and Westwood (5), a reversible metal-thiourea system had to be studied thoroughly. To make full use of the data, a computer least squares program was used to solve a set of simultaneous equations, as Klatt and Rouseff proposed (6 ). The nickel(II)-thiourea complex formation constants should then be calculable from the effect of Ni(II) on the Pb(II) wave."],"dc:identifier.uri":["http://hdl.handle.net/10504/120930"],"dc:language.iso":["en_US"],"dc:publisher":["Creighton University"],"dc:rights":["A non-exclusive distribution right is granted to Creighton University and to ProQuest following the publishing model selected above."],"dc:title":["Polarographic Study of Metal Thiourea Complexes: a Computer Least Squares Approach"],"dc:type":["Thesis"]},"updated_at":"2026-07-24T01:52:24Z"}