{"id":"https://openalex.org/W3011336075","doi":"https://doi.org/10.1093/jaoac/5.4.594","title":"Preliminary Report on Methods for the Separation and Estimation of the Principal Cinchona Alkaloids","display_name":"Preliminary Report on Methods for the Separation and Estimation of the Principal Cinchona Alkaloids","publication_year":1922,"publication_date":"1922-05-15","ids":{"openalex":"https://openalex.org/W3011336075","doi":"https://doi.org/10.1093/jaoac/5.4.594","mag":"3011336075"},"language":"en","primary_location":{"id":"doi:10.1093/jaoac/5.4.594","doi":"https://doi.org/10.1093/jaoac/5.4.594","is_oa":false,"landing_page_url":"https://doi.org/10.1093/jaoac/5.4.594","pdf_url":null,"source":{"id":"https://openalex.org/S4210222944","display_name":"Journal of AOAC INTERNATIONAL","issn_l":"0004-5756","issn":["0004-5756","0095-9111"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of AOAC INTERNATIONAL","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5059751667","display_name":"E O Eaton","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Elgar O Eaton","raw_affiliation_strings":["Food and Drug Inspection Station, U. S. Appraiser's Stores, San Francisco, Calif"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Food and Drug Inspection Station, U. S. Appraiser's Stores, San Francisco, Calif","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5059751667"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.58098592,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"5","issue":"4","first_page":"594","last_page":"596"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11460","display_name":"Analytical Methods in Pharmaceuticals","score":0.8276000022888184,"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/T11460","display_name":"Analytical Methods in Pharmaceuticals","score":0.8276000022888184,"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/T12649","display_name":"Alkaloids: synthesis and pharmacology","score":0.05130000039935112,"subfield":{"id":"https://openalex.org/subfields/3004","display_name":"Pharmacology"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T13128","display_name":"Chromatography in Natural Products","score":0.026900000870227814,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/cinchona-alkaloids","display_name":"cinchona alkaloids","score":0.9670000076293945},{"id":"https://openalex.org/keywords/alkaloid-isolation","display_name":"alkaloid isolation","score":0.8510000109672546},{"id":"https://openalex.org/keywords/quinine","display_name":"quinine","score":0.8399999737739563},{"id":"https://openalex.org/keywords/quinidine","display_name":"quinidine","score":0.6430000066757202},{"id":"https://openalex.org/keywords/quinine-alkaloids","display_name":"quinine alkaloids","score":0.49799999594688416},{"id":"https://openalex.org/keywords/analytical-methods","display_name":"analytical methods","score":0.46299999952316284}],"concepts":[{"id":"https://openalex.org/C144559511","wikidata":"https://www.wikidata.org/wiki/Q2986279","display_name":"Principal (computer security)","level":2,"score":0.7413647174835205},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.48959213495254517},{"id":"https://openalex.org/C161191863","wikidata":"https://www.wikidata.org/wiki/Q199655","display_name":"Library science","level":1,"score":0.4135807752609253},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3190898895263672},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.17939308285713196},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.17157027125358582},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1093/jaoac/5.4.594","doi":"https://doi.org/10.1093/jaoac/5.4.594","is_oa":false,"landing_page_url":"https://doi.org/10.1093/jaoac/5.4.594","pdf_url":null,"source":{"id":"https://openalex.org/S4210222944","display_name":"Journal of AOAC INTERNATIONAL","issn_l":"0004-5756","issn":["0004-5756","0095-9111"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of AOAC INTERNATIONAL","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W3011558082","https://openalex.org/W2011606613","https://openalex.org/W3009054237","https://openalex.org/W3139555355","https://openalex.org/W2032445585","https://openalex.org/W2467533348","https://openalex.org/W2338382347","https://openalex.org/W7197958466","https://openalex.org/W2408844418","https://openalex.org/W1996044181"],"abstract_inverted_index":{"Elgar":[0],"O":[1],"Eaton;":[2],"Preliminary":[3],"Report":[4],"on":[5],"Methods":[6],"for":[7],"the":[8,13],"Separation":[9],"and":[10],"Estimation":[11],"of":[12,18],"Principal":[14],"Cinchona":[15],"Alkaloids,":[16],"Journal":[17],"AOAC":[19],"INTERNATIONAL,":[20],"Volume":[21],"5,":[22],"Iss":[23]},"counts_by_year":[],"updated_date":"2026-07-30T17:31:21.811387","created_date":"2020-03-23T00:00:00"}
