{"id":{"repo_id":"eku","oai_identifier":"oai:encompass.eku.edu:etd-1500"},"canonical_url":"https://search.dev.ndltd.org/etd/eku/oai:encompass.eku.edu:etd-1500","repository":{"repo_id":"eku","name":"Eastern Kentucky University","base_url":"https://encompass.eku.edu/do/oai/"},"display":{"title":"Determination of Atrazine Concentration in Freshwaters Using Fluorescence Spectroscopy","abstract":"<p>Atrazine is the most widely used herbicides in USA, but its negative impact on aquatic ecosystem cannot be over-looked. Atrazine was traditionally determined through liquid/gas chromatography or IR spectroscopy. However, these methods are either time-consuming or costly, so fluorescence spectroscopy is investigated as a more cost and time efficient alternative. Literature value of the optimal wavelength of atrazine was found to be 350 nm emission. Experimental value for emission scanned of atrazine resulted in an optimal wavelength of 363 nm. Known and unknown concentrations of atrazine will be analyzed using fluorescence spectrophotometer to develop a calibration curve. </p> <p>The calibration concentration curve developed would be used in the future as an analytical technique to determine the concentrations of atrazine in real local water samples collected by the Biology Department at EKU. </p>","abstract_html":"&lt;p&gt;Atrazine is the most widely used herbicides in USA, but its negative impact on aquatic ecosystem cannot be over-looked. Atrazine was traditionally determined through liquid/gas chromatography or IR spectroscopy. However, these methods are either time-consuming or costly, so fluorescence spectroscopy is investigated as a more cost and time efficient alternative. Literature value of the optimal wavelength of atrazine was found to be 350 nm emission. Experimental value for emission scanned of atrazine resulted in an optimal wavelength of 363 nm. Known and unknown concentrations of atrazine will be analyzed using fluorescence spectrophotometer to develop a calibration curve. &lt;/p&gt; &lt;p&gt;The calibration concentration curve developed would be used in the future as an analytical technique to determine the concentrations of atrazine in real local water samples collected by the Biology Department at EKU. &lt;/p&gt;","abstract_has_math":false,"creators":["Amankona, Boniface Osei"],"institution":"Eastern Kentucky University","degree_name":"Master of Science (MS)","degree_level":"Master's","degree_discipline":"Chemistry","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2018,"date_issued":"2018-01-01T08:00:00Z","date_published":"2018-01-01T08:00:00Z","updated_at":"2026-07-24T02:15:39Z","subjects":["Atrazine","Fluorescence","Fluorolog","Freshwater","Spectroscopy","Organic Chemistry"],"languages":[],"rights":["Copyright 2018 Boniface Osei Amankona"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://encompass.eku.edu/etd/502","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Amankona, Boniface Osei"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:publisher","label":"Institution","values":["Encompass Digital Archive, Eastern Kentucky University"]},{"key":"dc:type","label":"Dc Type","values":["Master Thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Chemistry"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Master's"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science (MS)"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Eastern Kentucky University"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Atrazine","Fluorescence","Fluorolog","Freshwater","Spectroscopy","Organic Chemistry"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2018 Boniface Osei Amankona"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://encompass.eku.edu/etd/502"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["<p>Atrazine is the most widely used herbicides in USA, but its negative impact on aquatic ecosystem cannot be over-looked. Atrazine was traditionally determined through liquid/gas chromatography or IR spectroscopy. However, these methods are either time-consuming or costly, so fluorescence spectroscopy is investigated as a more cost and time efficient alternative. Literature value of the optimal wavelength of atrazine was found to be 350 nm emission. Experimental value for emission scanned of atrazine resulted in an optimal wavelength of 363 nm. Known and unknown concentrations of atrazine will be analyzed using fluorescence spectrophotometer to develop a calibration curve. </p> <p>The calibration concentration curve developed would be used in the future as an analytical technique to determine the concentrations of atrazine in real local water samples collected by the Biology Department at EKU. </p>"]},{"key":"dc:format","label":"Dc Format","values":["application/PDF"]},{"key":"dc:source","label":"Dc Source","values":["Encompass Digital Archive: Online Theses and Dissertations"]},{"key":"dc:title","label":"Title","values":["Determination of Atrazine Concentration in Freshwaters Using Fluorescence Spectroscopy"]}]}],"canonical_facts":{"dc:creator":["Amankona, Boniface Osei"],"dc:description.abstract":["<p>Atrazine is the most widely used herbicides in USA, but its negative impact on aquatic ecosystem cannot be over-looked. Atrazine was traditionally determined through liquid/gas chromatography or IR spectroscopy. However, these methods are either time-consuming or costly, so fluorescence spectroscopy is investigated as a more cost and time efficient alternative. Literature value of the optimal wavelength of atrazine was found to be 350 nm emission. Experimental value for emission scanned of atrazine resulted in an optimal wavelength of 363 nm. Known and unknown concentrations of atrazine will be analyzed using fluorescence spectrophotometer to develop a calibration curve. </p> <p>The calibration concentration curve developed would be used in the future as an analytical technique to determine the concentrations of atrazine in real local water samples collected by the Biology Department at EKU. </p>"],"dc:format":["application/PDF"],"dc:identifier":["https://encompass.eku.edu/etd/502"],"dc:publisher":["Encompass Digital Archive, Eastern Kentucky University"],"dc:rights":["Copyright 2018 Boniface Osei Amankona"],"dc:source":["Encompass Digital Archive: Online Theses and Dissertations"],"dc:subject":["Atrazine","Fluorescence","Fluorolog","Freshwater","Spectroscopy","Organic Chemistry"],"dc:title":["Determination of Atrazine Concentration in Freshwaters Using Fluorescence Spectroscopy"],"dc:type":["Master Thesis"],"thesis:degree_discipline":["Chemistry"],"thesis:degree_level":["Master's"],"thesis:degree_name":["Master of Science (MS)"],"thesis:institution_name":["Eastern Kentucky University"]},"updated_at":"2026-07-24T02:15:39Z"}