{"id":{"repo_id":"plymouth","oai_identifier":"oai:pearl.plymouth.ac.uk:gees-theses-1534"},"canonical_url":"https://search.dev.ndltd.org/etd/plymouth/oai:pearl.plymouth.ac.uk:gees-theses-1534","repository":{"repo_id":"plymouth","name":"University of Plymouth","base_url":"https://pearl.plymouth.ac.uk/do/oai"},"display":{"title":"DETERMINATION OF TRACE METALS BY lON-CHROMATOGRAPHY WITH CHEMILUMINESCENCE DETECTION","abstract":"It is generally considered that the detection step for the determination of trace metals by liquid-chromatographic systems is the weakest area of the analytical procedure. Various post-column reagent systems, for trace metal analysis, based on the highly sensitive luminol-peroxide chemiluminescence (CL) reaction have been developed and are described. A simple cation-exchange chromatographic system was developed and used to separate cobalt from other metal ions. These cobalt ions were detected using an optimised luminol-peroxide CL post-column reagent. A detection limit of 0.5 ng 1̵¹ was achieved without the need for preconcentration, for a 200 µl sample. The cobalt content of a rice flour certified reference material was determined using this system and gave good agreement with the certificate value.","abstract_html":"It is generally considered that the detection step for the determination of trace metals by liquid-chromatographic systems is the weakest area of the analytical procedure. Various post-column reagent systems, for trace metal analysis, based on the highly sensitive luminol-peroxide chemiluminescence (CL) reaction have been developed and are described. A simple cation-exchange chromatographic system was developed and used to separate cobalt from other metal ions. These cobalt ions were detected using an optimised luminol-peroxide CL post-column reagent. A detection limit of 0.5 ng 1̵¹ was achieved without the need for preconcentration, for a 200 µl sample. The cobalt content of a rice flour certified reference material was determined using this system and gave good agreement with the certificate value.","abstract_has_math":false,"creators":["WILLIAMS, TIMOTHY PAUL"],"institution":null,"degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1990,"date_issued":"1990-01-01T08:00:00Z","date_published":"1990-01-01T08:00:00Z","updated_at":"2026-07-24T03:49:07Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://pearl.plymouth.ac.uk/gees-theses/92","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["WILLIAMS, TIMOTHY PAUL"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.issued","label":"Date","values":["1990-01-01T08:00:00Z"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://pearl.plymouth.ac.uk/gees-theses/92"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["It is generally considered that the detection step for the determination of trace metals by liquid-chromatographic systems is the weakest area of the analytical procedure. Various post-column reagent systems, for trace metal analysis, based on the highly sensitive luminol-peroxide chemiluminescence (CL) reaction have been developed and are described. A simple cation-exchange chromatographic system was developed and used to separate cobalt from other metal ions. These cobalt ions were detected using an optimised luminol-peroxide CL post-column reagent. A detection limit of 0.5 ng 1̵¹ was achieved without the need for preconcentration, for a 200 µl sample. The cobalt content of a rice flour certified reference material was determined using this system and gave good agreement with the certificate value."]},{"key":"dc:title","label":"Title","values":["DETERMINATION OF TRACE METALS BY lON-CHROMATOGRAPHY WITH CHEMILUMINESCENCE DETECTION"]}]}],"canonical_facts":{"dc:creator":["WILLIAMS, TIMOTHY PAUL"],"dc:date.issued":["1990-01-01T08:00:00Z"],"dc:description.abstract":["It is generally considered that the detection step for the determination of trace metals by liquid-chromatographic systems is the weakest area of the analytical procedure. Various post-column reagent systems, for trace metal analysis, based on the highly sensitive luminol-peroxide chemiluminescence (CL) reaction have been developed and are described. A simple cation-exchange chromatographic system was developed and used to separate cobalt from other metal ions. These cobalt ions were detected using an optimised luminol-peroxide CL post-column reagent. A detection limit of 0.5 ng 1̵¹ was achieved without the need for preconcentration, for a 200 µl sample. The cobalt content of a rice flour certified reference material was determined using this system and gave good agreement with the certificate value."],"dc:identifier":["https://pearl.plymouth.ac.uk/gees-theses/92"],"dc:language":["eng"],"dc:title":["DETERMINATION OF TRACE METALS BY lON-CHROMATOGRAPHY WITH CHEMILUMINESCENCE DETECTION"],"dc:type":["Thesis"]},"updated_at":"2026-07-24T03:49:07Z"}