{"id":"https://openalex.org/keywords/copper-determination","display_name":"copper determination","description":"The quantitative measurement of copper in samples using analytical chemistry methods such as spectroscopy or electrochemical analysis.","display_name_alternatives":["quantitative copper analysis","measurement of copper","copper ion determination","copper assay","copper content determination","copper measurement","determination of copper","quantification of copper"],"ids":{"openalex":"https://openalex.org/keywords/copper-determination","wikidata":null},"primary_topic":{"id":"https://openalex.org/T10180","display_name":"Analytical chemistry methods development","score":0.5626,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10180","display_name":"Analytical chemistry methods development","score":0.5626,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11434","display_name":"Electrochemical Analysis and Applications","score":0.1355,"subfield":{"id":"https://openalex.org/subfields/1603","display_name":"Electrochemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"works_count":9604,"cited_by_count":70143,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/copper-determination","updated_date":"2026-10-24T04:06:44","created_date":"2026-09-30T00:00:00"}