{"id":{"repo_id":"mo-state","oai_identifier":"oai:bearworks.missouristate.edu:theses-1670"},"canonical_url":"https://search.dev.ndltd.org/etd/mo-state/oai:bearworks.missouristate.edu:theses-1670","repository":{"repo_id":"mo-state","name":"Missouri State University","base_url":"https://bearworks.missouristate.edu/do/oai/"},"display":{"title":"Detecting Copper in Water Using Electrochemiluminescence","abstract":"The detection of copper ions as Cu(dmp)₂⁺ (dmp=2,9 -dimethyl-1,10-phenanthroline) using electrochemiluminescence (ECL) is reported. Cu(dmp)₂⁺ is formed in situ by reducing Cu₂⁺ ions to Cu⁺ with hydroxylamine hydrochloride and then complexing with the chelating agent dump. ECL was generated by oxidizing Cu(dmp)₂⁺ in the presence of tri-n-propylamine (TPA). The ECL intensity peaks at a potential corresponding to oxidation of both TPA an Cu(dmp)₂⁺, indicating that the emission is from a Cu(dmp)₂⁺ metal-to-ligand charge transfer excited state. Conditions for ECL omission were optimized and used to generate a calibration curve that was linear over the 0.1-5 mg/L (ppm) range. The theoretical limit of detection was 6 μg/L (ppb), with a practical limit of detection of 0.1 ppm. The ECL of several metals ions other than copper with dmp and their effects on Cu(dmp)₂⁺ ECL were examined.","abstract_html":"The detection of copper ions as Cu(dmp)₂⁺ (dmp=2,9 -dimethyl-1,10-phenanthroline) using electrochemiluminescence (ECL) is reported. Cu(dmp)₂⁺ is formed in situ by reducing Cu₂⁺ ions to Cu⁺ with hydroxylamine hydrochloride and then complexing with the chelating agent dump. ECL was generated by oxidizing Cu(dmp)₂⁺ in the presence of tri-n-propylamine (TPA). The ECL intensity peaks at a potential corresponding to oxidation of both TPA an Cu(dmp)₂⁺, indicating that the emission is from a Cu(dmp)₂⁺ metal-to-ligand charge transfer excited state. Conditions for ECL omission were optimized and used to generate a calibration curve that was linear over the 0.1-5 mg/L (ppm) range. The theoretical limit of detection was 6 μg/L (ppb), with a practical limit of detection of 0.1 ppm. The ECL of several metals ions other than copper with dmp and their effects on Cu(dmp)₂⁺ ECL were examined.","abstract_has_math":false,"creators":["High, Brian Douglas"],"institution":null,"degree_name":"Master of Science in Chemistry","degree_level":"Masters","degree_discipline":"Chemistry and Biochemistry","degree_department":null,"school":null,"contributors":["Mark Richter"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2002,"date_issued":"2002-05-01T07:00:00Z","date_published":"2002-05-01T07:00:00Z","updated_at":"2026-07-24T03:15:42Z","subjects":["Chemistry"],"languages":[],"rights":["© Brian Douglas High"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://bearworks.missouristate.edu/theses/669","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Mark Richter"]},{"key":"dc:creator","label":"Author","values":["High, Brian Douglas"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"thesis:degree_discipline","label":"Discipline","values":["Chemistry and Biochemistry"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science in Chemistry"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Chemistry"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:rights","label":"Dc Rights","values":["© Brian Douglas High"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://bearworks.missouristate.edu/theses/669"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The detection of copper ions as Cu(dmp)₂⁺ (dmp=2,9 -dimethyl-1,10-phenanthroline) using electrochemiluminescence (ECL) is reported. Cu(dmp)₂⁺ is formed in situ by reducing Cu₂⁺ ions to Cu⁺ with hydroxylamine hydrochloride and then complexing with the chelating agent dump. ECL was generated by oxidizing Cu(dmp)₂⁺ in the presence of tri-n-propylamine (TPA). The ECL intensity peaks at a potential corresponding to oxidation of both TPA an Cu(dmp)₂⁺, indicating that the emission is from a Cu(dmp)₂⁺ metal-to-ligand charge transfer excited state. Conditions for ECL omission were optimized and used to generate a calibration curve that was linear over the 0.1-5 mg/L (ppm) range. The theoretical limit of detection was 6 μg/L (ppb), with a practical limit of detection of 0.1 ppm. The ECL of several metals ions other than copper with dmp and their effects on Cu(dmp)₂⁺ ECL were examined."]},{"key":"dc:title","label":"Title","values":["Detecting Copper in Water Using Electrochemiluminescence"]}]}],"canonical_facts":{"dc:contributor":["Mark Richter"],"dc:creator":["High, Brian Douglas"],"dc:description.abstract":["The detection of copper ions as Cu(dmp)₂⁺ (dmp=2,9 -dimethyl-1,10-phenanthroline) using electrochemiluminescence (ECL) is reported. Cu(dmp)₂⁺ is formed in situ by reducing Cu₂⁺ ions to Cu⁺ with hydroxylamine hydrochloride and then complexing with the chelating agent dump. ECL was generated by oxidizing Cu(dmp)₂⁺ in the presence of tri-n-propylamine (TPA). The ECL intensity peaks at a potential corresponding to oxidation of both TPA an Cu(dmp)₂⁺, indicating that the emission is from a Cu(dmp)₂⁺ metal-to-ligand charge transfer excited state. Conditions for ECL omission were optimized and used to generate a calibration curve that was linear over the 0.1-5 mg/L (ppm) range. The theoretical limit of detection was 6 μg/L (ppb), with a practical limit of detection of 0.1 ppm. The ECL of several metals ions other than copper with dmp and their effects on Cu(dmp)₂⁺ ECL were examined."],"dc:identifier":["https://bearworks.missouristate.edu/theses/669"],"dc:rights":["© Brian Douglas High"],"dc:subject":["Chemistry"],"dc:title":["Detecting Copper in Water Using Electrochemiluminescence"],"thesis:degree_discipline":["Chemistry and Biochemistry"],"thesis:degree_level":["Masters"],"thesis:degree_name":["Master of Science in Chemistry"]},"updated_at":"2026-07-24T03:15:42Z"}