{"id":"https://openalex.org/W1995952289","doi":"https://doi.org/10.1021/ac990074x","title":"On-Line Microextraction of Metal Traces for Subsequent Determination by Plasma Atomic Emission Spectrometry Using pH Peak Focusing Countercurrent Chromatography","display_name":"On-Line Microextraction of Metal Traces for Subsequent Determination by Plasma Atomic Emission Spectrometry Using pH Peak Focusing Countercurrent Chromatography","publication_year":1999,"publication_date":"1999-11-09","ids":{"openalex":"https://openalex.org/W1995952289","doi":"https://doi.org/10.1021/ac990074x","mag":"1995952289","pmid":"https://pubmed.ncbi.nlm.nih.gov/10624157"},"language":"en","primary_location":{"id":"doi:10.1021/ac990074x","doi":"https://doi.org/10.1021/ac990074x","is_oa":false,"landing_page_url":"https://doi.org/10.1021/ac990074x","pdf_url":null,"source":{"id":"https://openalex.org/S191963794","display_name":"Analytical Chemistry","issn_l":"0003-2700","issn":["0003-2700","1520-6882"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Analytical Chemistry","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"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/A5064063717","display_name":"Eiichi Kitazume","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I173009982","display_name":"Iwate University","ror":"https://ror.org/04cd75h10","country_code":"JP","type":"education","lineage":["https://openalex.org/I173009982"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Eiichi Kitazume","raw_affiliation_strings":["Faculty of Humanities and Social Sciences, Iwate University, Japan. SGB01551@nifty.ne.jp","Faculty of Humanities and Social Sciences, Iwate University, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Humanities and Social Sciences, Iwate University, Japan. SGB01551@nifty.ne.jp","institution_ids":["https://openalex.org/I173009982"]},{"raw_affiliation_string":"Faculty of Humanities and Social Sciences, Iwate University, Japan","institution_ids":["https://openalex.org/I173009982"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024121580","display_name":"Tadako Higashiyama","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1299303238","display_name":"National Institutes of Health","ror":"https://ror.org/01cwqze88","country_code":"US","type":"government","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238"]},{"id":"https://openalex.org/I173009982","display_name":"Iwate University","ror":"https://ror.org/04cd75h10","country_code":"JP","type":"education","lineage":["https://openalex.org/I173009982"]},{"id":"https://openalex.org/I4210106489","display_name":"National Heart, Lung, and Blood Institute","ror":"https://ror.org/012pb6c26","country_code":"US","type":"facility","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238","https://openalex.org/I4210106489"]},{"id":"https://openalex.org/I65143321","display_name":"Hitachi (Japan)","ror":"https://ror.org/02exqgm79","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]}],"countries":["JP","US"],"is_corresponding":false,"raw_author_name":"Tadako Higashiyama","raw_affiliation_strings":["Central Research Laboratory, Hitachi Ltd., Kokubunji, Tokyo 185-8601, Japan","Faculty of Humanities and Social Sciences, Iwate University, Morioka, Iwate 020-8550, Japan","Hitachi Tokyo Electronics Co., Kokubunji, Tokyo 185-8601, Japan","Laboratory of Biophysical Chemistry, National Heart, Lung, and Blood Institute, National Institutes of Health, Building 10, Room 7N322, Bethesda, Maryland 20892"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Central Research Laboratory, Hitachi Ltd., Kokubunji, Tokyo 185-8601, Japan","institution_ids":["https://openalex.org/I65143321"]},{"raw_affiliation_string":"Faculty of Humanities and Social Sciences, Iwate University, Morioka, Iwate 020-8550, Japan","institution_ids":["https://openalex.org/I173009982"]},{"raw_affiliation_string":"Hitachi Tokyo Electronics Co., Kokubunji, Tokyo 185-8601, Japan","institution_ids":["https://openalex.org/I65143321"]},{"raw_affiliation_string":"Laboratory of Biophysical Chemistry, National Heart, Lung, and Blood Institute, National Institutes of Health, Building 10, Room 7N322, Bethesda, Maryland 20892","institution_ids":["https://openalex.org/I1299303238","https://openalex.org/I4210106489"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041091037","display_name":"Nobuyoshi Sato","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1299303238","display_name":"National Institutes of Health","ror":"https://ror.org/01cwqze88","country_code":"US","type":"government","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238"]},{"id":"https://openalex.org/I173009982","display_name":"Iwate University","ror":"https://ror.org/04cd75h10","country_code":"JP","type":"education","lineage":["https://openalex.org/I173009982"]},{"id":"https://openalex.org/I4210106489","display_name":"National Heart, Lung, and Blood Institute","ror":"https://ror.org/012pb6c26","country_code":"US","type":"facility","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238","https://openalex.org/I4210106489"]},{"id":"https://openalex.org/I65143321","display_name":"Hitachi (Japan)","ror":"https://ror.org/02exqgm79","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]}],"countries":["JP","US"],"is_corresponding":false,"raw_author_name":"Nobuyoshi Sato","raw_affiliation_strings":["Central Research Laboratory, Hitachi Ltd., Kokubunji, Tokyo 185-8601, Japan","Faculty of Humanities and Social Sciences, Iwate University, Morioka, Iwate 020-8550, Japan","Hitachi Tokyo Electronics Co., Kokubunji, Tokyo 185-8601, Japan","Laboratory of Biophysical Chemistry, National Heart, Lung, and Blood Institute, National Institutes of Health, Building 10, Room 7N322, Bethesda, Maryland 20892"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Central Research Laboratory, Hitachi Ltd., Kokubunji, Tokyo 185-8601, Japan","institution_ids":["https://openalex.org/I65143321"]},{"raw_affiliation_string":"Faculty of Humanities and Social Sciences, Iwate University, Morioka, Iwate 020-8550, Japan","institution_ids":["https://openalex.org/I173009982"]},{"raw_affiliation_string":"Hitachi Tokyo Electronics Co., Kokubunji, Tokyo 185-8601, Japan","institution_ids":["https://openalex.org/I65143321"]},{"raw_affiliation_string":"Laboratory of Biophysical Chemistry, National Heart, Lung, and Blood Institute, National Institutes of Health, Building 10, Room 7N322, Bethesda, Maryland 20892","institution_ids":["https://openalex.org/I1299303238","https://openalex.org/I4210106489"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005466132","display_name":"Masahumi Kanetomo","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I65143321","display_name":"Hitachi (Japan)","ror":"https://ror.org/02exqgm79","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masahumi Kanetomo","raw_affiliation_strings":["Central Research Laboratory, Hitachi Ltd., Kokubunji, Tokyo 185-8601, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Central Research Laboratory, Hitachi Ltd., Kokubunji, Tokyo 185-8601, Japan","institution_ids":["https://openalex.org/I65143321"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002151672","display_name":"Takeshi Tajima","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1299303238","display_name":"National Institutes of Health","ror":"https://ror.org/01cwqze88","country_code":"US","type":"government","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238"]},{"id":"https://openalex.org/I173009982","display_name":"Iwate University","ror":"https://ror.org/04cd75h10","country_code":"JP","type":"education","lineage":["https://openalex.org/I173009982"]},{"id":"https://openalex.org/I4210106489","display_name":"National Heart, Lung, and Blood Institute","ror":"https://ror.org/012pb6c26","country_code":"US","type":"facility","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238","https://openalex.org/I4210106489"]},{"id":"https://openalex.org/I65143321","display_name":"Hitachi (Japan)","ror":"https://ror.org/02exqgm79","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]}],"countries":["JP","US"],"is_corresponding":false,"raw_author_name":"Takeshi Tajima","raw_affiliation_strings":["Central Research Laboratory, Hitachi Ltd., Kokubunji, Tokyo 185-8601, Japan","Faculty of Humanities and Social Sciences, Iwate University, Morioka, Iwate 020-8550, Japan","Hitachi Tokyo Electronics Co., Kokubunji, Tokyo 185-8601, Japan","Laboratory of Biophysical Chemistry, National Heart, Lung, and Blood Institute, National Institutes of Health, Building 10, Room 7N322, Bethesda, Maryland 20892"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Central Research Laboratory, Hitachi Ltd., Kokubunji, Tokyo 185-8601, Japan","institution_ids":["https://openalex.org/I65143321"]},{"raw_affiliation_string":"Faculty of Humanities and Social Sciences, Iwate University, Morioka, Iwate 020-8550, Japan","institution_ids":["https://openalex.org/I173009982"]},{"raw_affiliation_string":"Hitachi Tokyo Electronics Co., Kokubunji, Tokyo 185-8601, Japan","institution_ids":["https://openalex.org/I65143321"]},{"raw_affiliation_string":"Laboratory of Biophysical Chemistry, National Heart, Lung, and Blood Institute, National Institutes of Health, Building 10, Room 7N322, Bethesda, Maryland 20892","institution_ids":["https://openalex.org/I1299303238","https://openalex.org/I4210106489"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042755871","display_name":"Seiichiro Kobayashi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1299303238","display_name":"National Institutes of Health","ror":"https://ror.org/01cwqze88","country_code":"US","type":"government","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238"]},{"id":"https://openalex.org/I173009982","display_name":"Iwate University","ror":"https://ror.org/04cd75h10","country_code":"JP","type":"education","lineage":["https://openalex.org/I173009982"]},{"id":"https://openalex.org/I4210106489","display_name":"National Heart, Lung, and Blood Institute","ror":"https://ror.org/012pb6c26","country_code":"US","type":"facility","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238","https://openalex.org/I4210106489"]},{"id":"https://openalex.org/I65143321","display_name":"Hitachi (Japan)","ror":"https://ror.org/02exqgm79","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]}],"countries":["JP","US"],"is_corresponding":false,"raw_author_name":"Seiichiro Kobayashi","raw_affiliation_strings":["Central Research Laboratory, Hitachi Ltd., Kokubunji, Tokyo 185-8601, Japan","Faculty of Humanities and Social Sciences, Iwate University, Morioka, Iwate 020-8550, Japan","Hitachi Tokyo Electronics Co., Kokubunji, Tokyo 185-8601, Japan","Laboratory of Biophysical Chemistry, National Heart, Lung, and Blood Institute, National Institutes of Health, Building 10, Room 7N322, Bethesda, Maryland 20892"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Central Research Laboratory, Hitachi Ltd., Kokubunji, Tokyo 185-8601, Japan","institution_ids":["https://openalex.org/I65143321"]},{"raw_affiliation_string":"Faculty of Humanities and Social Sciences, Iwate University, Morioka, Iwate 020-8550, Japan","institution_ids":["https://openalex.org/I173009982"]},{"raw_affiliation_string":"Hitachi Tokyo Electronics Co., Kokubunji, Tokyo 185-8601, Japan","institution_ids":["https://openalex.org/I65143321"]},{"raw_affiliation_string":"Laboratory of Biophysical Chemistry, National Heart, Lung, and Blood Institute, National Institutes of Health, Building 10, Room 7N322, Bethesda, Maryland 20892","institution_ids":["https://openalex.org/I1299303238","https://openalex.org/I4210106489"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029128268","display_name":"Yoichiro Ito","orcid":"https://orcid.org/0000-0001-9018-295X","observed_orcids":["https://orcid.org/0000-0001-9018-295X"]},"institutions":[{"id":"https://openalex.org/I1299303238","display_name":"National Institutes of Health","ror":"https://ror.org/01cwqze88","country_code":"US","type":"government","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238"]},{"id":"https://openalex.org/I4210106489","display_name":"National Heart, Lung, and Blood Institute","ror":"https://ror.org/012pb6c26","country_code":"US","type":"facility","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238","https://openalex.org/I4210106489"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yoichiro Ito","raw_affiliation_strings":["Laboratory of Biophysical Chemistry, National Heart, Lung, and Blood Institute, National Institutes of Health, Building 10, Room 7N322, Bethesda, Maryland 20892"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratory of Biophysical Chemistry, National Heart, Lung, and Blood Institute, National Institutes of Health, Building 10, Room 7N322, Bethesda, Maryland 20892","institution_ids":["https://openalex.org/I1299303238","https://openalex.org/I4210106489"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":4500,"currency":"USD","value_usd":4500},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.1655649,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":96},"biblio":{"volume":"71","issue":"24","first_page":"5515","last_page":"5521"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10180","display_name":"Analytical chemistry methods development","score":0.9307000041007996,"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":0.9307000041007996,"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/T10908","display_name":"Analytical Chemistry and Chromatography","score":0.04879999905824661,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"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/T13128","display_name":"Chromatography in Natural Products","score":0.008500000461935997,"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/trace-metal-analysis","display_name":"trace metal analysis","score":0.7519999742507935},{"id":"https://openalex.org/keywords/bis-2-ethylhexyl-phosphoric-acid","display_name":"bis(2-ethylhexyl)phosphoric acid","score":0.9089999794960022},{"id":"https://openalex.org/keywords/metal-ion-enrichment","display_name":"metal ion enrichment","score":0.7329999804496765},{"id":"https://openalex.org/keywords/tap-water-analysis","display_name":"tap water analysis","score":0.8489999771118164},{"id":"https://openalex.org/keywords/column-diameter-effect","display_name":"column diameter effect","score":0.6140000224113464},{"id":"https://openalex.org/keywords/calcium","display_name":"calcium","score":0.5619999766349792},{"id":"https://openalex.org/keywords/cadmium","display_name":"cadmium","score":0.9940000176429749},{"id":"https://openalex.org/keywords/copper","display_name":"copper","score":0.9980000257492065},{"id":"https://openalex.org/keywords/magnesium","display_name":"magnesium","score":0.9909999966621399},{"id":"https://openalex.org/keywords/manganese","display_name":"manganese","score":1.0},{"id":"https://openalex.org/keywords/nickel","display_name":"nickel","score":1.0},{"id":"https://openalex.org/keywords/zinc","display_name":"zinc","score":1.0}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.9573566913604736},{"id":"https://openalex.org/C40875361","wikidata":"https://www.wikidata.org/wiki/Q2356542","display_name":"Reagent","level":2,"score":0.6688905954360962},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.6513760685920715},{"id":"https://openalex.org/C199164860","wikidata":"https://www.wikidata.org/wiki/Q6822745","display_name":"Metal ions in aqueous solution","level":3,"score":0.605912446975708},{"id":"https://openalex.org/C2776622989","wikidata":"https://www.wikidata.org/wiki/Q184782","display_name":"Phosphoric acid","level":2,"score":0.5647554397583008},{"id":"https://openalex.org/C113196181","wikidata":"https://www.wikidata.org/wiki/Q485223","display_name":"Analytical Chemistry (journal)","level":2,"score":0.550032913684845},{"id":"https://openalex.org/C544153396","wikidata":"https://www.wikidata.org/wiki/Q11426","display_name":"Metal","level":2,"score":0.5078707337379456},{"id":"https://openalex.org/C73826308","wikidata":"https://www.wikidata.org/wiki/Q684907","display_name":"Elution","level":2,"score":0.4531465172767639},{"id":"https://openalex.org/C118495887","wikidata":"https://www.wikidata.org/wiki/Q186548","display_name":"Atomic emission spectroscopy","level":4,"score":0.4185646176338196},{"id":"https://openalex.org/C95974651","wikidata":"https://www.wikidata.org/wiki/Q2454436","display_name":"Inductively coupled plasma","level":3,"score":0.30399689078330994},{"id":"https://openalex.org/C82706917","wikidata":"https://www.wikidata.org/wiki/Q10251","display_name":"Plasma","level":2,"score":0.25009414553642273},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D003377","descriptor_name":"Countercurrent Distribution","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006863","descriptor_name":"Hydrogen-Ion Concentration","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D007202","descriptor_name":"Indicators and Reagents","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008670","descriptor_name":"Metals","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D012997","descriptor_name":"Solvents","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013054","descriptor_name":"Spectrophotometry, Atomic","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1021/ac990074x","doi":"https://doi.org/10.1021/ac990074x","is_oa":false,"landing_page_url":"https://doi.org/10.1021/ac990074x","pdf_url":null,"source":{"id":"https://openalex.org/S191963794","display_name":"Analytical Chemistry","issn_l":"0003-2700","issn":["0003-2700","1520-6882"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Analytical Chemistry","raw_type":"journal-article"},{"id":"pmid:10624157","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/10624157","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Analytical chemistry","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8571000099182129,"id":"https://metadata.un.org/sdg/6","display_name":"Clean water and sanitation"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1994764690","https://openalex.org/W1995639373","https://openalex.org/W2000188691","https://openalex.org/W2017448219","https://openalex.org/W2043154002","https://openalex.org/W2047177623","https://openalex.org/W2120349026","https://openalex.org/W4244455167"],"related_works":["https://openalex.org/W2054813231","https://openalex.org/W2017448219","https://openalex.org/W2063235354","https://openalex.org/W2077304791","https://openalex.org/W4240259462","https://openalex.org/W2035373140","https://openalex.org/W2081156129","https://openalex.org/W2380499611","https://openalex.org/W2018156288","https://openalex.org/W2744477934"],"abstract_inverted_index":{"Metal":[0],"ions":[1,72,92],"were":[2],"highly":[3,103],"efficiently":[4],"enriched":[5],"by":[6],"pH":[7,77,99],"peak":[8,14,105],"focusing":[9],"high-speed":[10],"countercurrent":[11],"chromatography.":[12],"The":[13],"intensity":[15],"for":[16,118],"a":[17,48,54,102,107],"10-mL":[18],"standard":[19],"sample":[20,64],"in":[21,47,121,124],"the":[22,63,69,75,87,97],"effluent":[23],"stream":[24],"was":[25],"increased":[26],"over":[27],"100-fold":[28],"compared":[29],"to":[30],"conventional":[31],"plasma":[32],"atomic":[33],"emission":[34],"spectrometry.":[35],"Ca,":[36],"Cd,":[37],"Cu,":[38],"Mg,":[39],"Mn,":[40],"Ni,":[41],"and":[42,82],"Zn":[43],"are":[44,93],"chromatographically":[45],"extracted":[46],"basic":[49,83],"organic":[50],"stationary":[51],"phase":[52],"containing":[53],"complex-forming":[55],"reagent":[56],"such":[57],"as":[58,101],"bis(2-ethylhexyl)":[59],"phosphoric":[60],"acid.":[61],"After":[62],"solution":[65],"is":[66],"introduced":[67],"into":[68,106],"column,":[70],"metal":[71,91],"remain":[73],"around":[74],"sharp":[76,98],"border":[78,100],"formed":[79],"between":[80],"acidic":[81],"zones,":[84],"moving":[85],"toward":[86],"column":[88,129],"outlet.":[89],"Enriched":[90],"finally":[94],"eluted":[95],"with":[96],"concentrated":[104],"volume":[108],"of":[109],"less":[110],"than":[111],"100":[112],"microL.":[113],"We":[114],"evaluated":[115],"this":[116],"method":[117],"concentration":[119],"efficiency":[120],"trace":[122],"determination":[123],"tap":[125],"water":[126],"using":[127],"different":[128],"diameters.":[130]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
