{"id":{"repo_id":"mo-state","oai_identifier":"oai:bearworks.missouristate.edu:theses-1963"},"canonical_url":"https://search.dev.ndltd.org/etd/mo-state/oai:bearworks.missouristate.edu:theses-1963","repository":{"repo_id":"mo-state","name":"Missouri State University","base_url":"https://bearworks.missouristate.edu/do/oai/"},"display":{"title":"A Comparison of Gas Chromatographic Properties of Chromium (Iii) and Iron (Iii) Tris (Ethylenediamine) Exchanged Montmorillonites","abstract":"The gas chromatographic properties of montmorillonite clays substituted with progressively larger percentages of tris(ethylenediamine) complexes of chromium (III) and iron (III) were studied and compared. Retention mechanisms of microsieving and surface adsorption are compared and discussed. The effects of percentage of substitution and heating on d₀₀₁-spacing and surface area are compared. The iron (III) complex showed possible decomposition upon contact with water.","abstract_html":"The gas chromatographic properties of montmorillonite clays substituted with progressively larger percentages of tris(ethylenediamine) complexes of chromium (III) and iron (III) were studied and compared. Retention mechanisms of microsieving and surface adsorption are compared and discussed. The effects of percentage of substitution and heating on d₀₀₁-spacing and surface area are compared. The iron (III) complex showed possible decomposition upon contact with water.","abstract_has_math":false,"creators":["Beck, Harold D."],"institution":null,"degree_name":"Master of Science in Education in Secondary Education in Chemistry","degree_level":"Masters","degree_discipline":"Chemistry and Biochemistry","degree_department":null,"school":null,"contributors":["Vernon Thielmann"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1981,"date_issued":"1981-07-01T07:00:00Z","date_published":"1981-07-01T07:00:00Z","updated_at":"2026-07-24T03:16:00Z","subjects":["Science and Mathematics Education"],"languages":[],"rights":["© Harold D Beck"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://bearworks.missouristate.edu/theses/962","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Vernon Thielmann"]},{"key":"dc:creator","label":"Author","values":["Beck, Harold D."]}]},{"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 Education in Secondary Education in Chemistry"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Science and Mathematics Education"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:rights","label":"Dc Rights","values":["© Harold D Beck"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://bearworks.missouristate.edu/theses/962"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The gas chromatographic properties of montmorillonite clays substituted with progressively larger percentages of tris(ethylenediamine) complexes of chromium (III) and iron (III) were studied and compared. Retention mechanisms of microsieving and surface adsorption are compared and discussed. The effects of percentage of substitution and heating on d₀₀₁-spacing and surface area are compared. The iron (III) complex showed possible decomposition upon contact with water."]},{"key":"dc:title","label":"Title","values":["A Comparison of Gas Chromatographic Properties of Chromium (Iii) and Iron (Iii) Tris (Ethylenediamine) Exchanged Montmorillonites"]}]}],"canonical_facts":{"dc:contributor":["Vernon Thielmann"],"dc:creator":["Beck, Harold D."],"dc:description.abstract":["The gas chromatographic properties of montmorillonite clays substituted with progressively larger percentages of tris(ethylenediamine) complexes of chromium (III) and iron (III) were studied and compared. Retention mechanisms of microsieving and surface adsorption are compared and discussed. The effects of percentage of substitution and heating on d₀₀₁-spacing and surface area are compared. The iron (III) complex showed possible decomposition upon contact with water."],"dc:identifier":["https://bearworks.missouristate.edu/theses/962"],"dc:rights":["© Harold D Beck"],"dc:subject":["Science and Mathematics Education"],"dc:title":["A Comparison of Gas Chromatographic Properties of Chromium (Iii) and Iron (Iii) Tris (Ethylenediamine) Exchanged Montmorillonites"],"thesis:degree_discipline":["Chemistry and Biochemistry"],"thesis:degree_level":["Masters"],"thesis:degree_name":["Master of Science in Education in Secondary Education in Chemistry"]},"updated_at":"2026-07-24T03:16:00Z"}