{"id":"https://openalex.org/W3150311518","doi":"https://doi.org/10.1007/s00769-021-01464-w","title":"Application of secondary pH measurement method for homogeneity and stability assessment of reference materials","display_name":"Application of secondary pH measurement method for homogeneity and stability assessment of reference materials","publication_year":2021,"publication_date":"2021-04-01","ids":{"openalex":"https://openalex.org/W3150311518","doi":"https://doi.org/10.1007/s00769-021-01464-w","mag":"3150311518"},"language":"en","primary_location":{"id":"doi:10.1007/s00769-021-01464-w","doi":"https://doi.org/10.1007/s00769-021-01464-w","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s00769-021-01464-w","pdf_url":"https://link.springer.com/content/pdf/10.1007/s00769-021-01464-w.pdf","source":{"id":"https://openalex.org/S177975795","display_name":"Accreditation and Quality Assurance","issn_l":"0949-1775","issn":["0949-1775","1432-0517"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-40","russia-white-list-3","vabb-shw"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Accreditation and Quality Assurance","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://link.springer.com/content/pdf/10.1007/s00769-021-01464-w.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5085200310","display_name":"Boryana Koleva","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4387153654","display_name":"Bulgarian Institute of Metrology","ror":"https://ror.org/002pvtp37","country_code":"BG","type":"government","lineage":["https://openalex.org/I4387153654"]}],"countries":["BG"],"is_corresponding":true,"raw_author_name":"Boryana Koleva","raw_affiliation_strings":["Bulgarian Institute of Metrology, Sofia, Bulgaria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bulgarian Institute of Metrology, Sofia, Bulgaria","institution_ids":["https://openalex.org/I4387153654"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Lyudmila Dimitrova","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4387153654","display_name":"Bulgarian Institute of Metrology","ror":"https://ror.org/002pvtp37","country_code":"BG","type":"government","lineage":["https://openalex.org/I4387153654"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Lyudmila Dimitrova","raw_affiliation_strings":["Bulgarian Institute of Metrology, Sofia, Bulgaria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bulgarian Institute of Metrology, Sofia, Bulgaria","institution_ids":["https://openalex.org/I4387153654"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087275980","display_name":"Daniela Stoica","orcid":"https://orcid.org/0000-0002-6748-552X","observed_orcids":["https://orcid.org/0000-0002-6748-552X"]},"institutions":[{"id":"https://openalex.org/I4210107682","display_name":"Laboratoire National de M\u00e9trologie et d'Essais","ror":"https://ror.org/01ph39d13","country_code":"FR","type":"other","lineage":["https://openalex.org/I4210107682"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Daniela Stoica","raw_affiliation_strings":["Laboratoire National de M\u00e9trologie et d\u2019Essais, Paris, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire National de M\u00e9trologie et d\u2019Essais, Paris, France","institution_ids":["https://openalex.org/I4210107682"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5042760028","display_name":"Paola Fisicaro","orcid":"https://orcid.org/0000-0003-3720-9214","observed_orcids":["https://orcid.org/0000-0003-3720-9214"]},"institutions":[{"id":"https://openalex.org/I4210107682","display_name":"Laboratoire National de M\u00e9trologie et d'Essais","ror":"https://ror.org/01ph39d13","country_code":"FR","type":"other","lineage":["https://openalex.org/I4210107682"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Paola Fisicaro","raw_affiliation_strings":["Laboratoire National de M\u00e9trologie et d\u2019Essais, Paris, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire National de M\u00e9trologie et d\u2019Essais, Paris, France","institution_ids":["https://openalex.org/I4210107682"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5085200310"],"corresponding_institution_ids":["https://openalex.org/I4387153654"],"apc_list":{"value":3280,"currency":"USD","value_usd":3280},"apc_paid":{"value":3280,"currency":"USD","value_usd":3280},"fwci":0.7237,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.70293196,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"26","issue":"2","first_page":"113","last_page":"120"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11890","display_name":"Scientific Measurement and Uncertainty Evaluation","score":0.9613999724388123,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11890","display_name":"Scientific Measurement and Uncertainty Evaluation","score":0.9613999724388123,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11472","display_name":"Analytical Chemistry and Sensors","score":0.03669999912381172,"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/T12019","display_name":"Calibration and Measurement Techniques","score":0.00039999998989515007,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/buffer-stability","display_name":"buffer stability","score":0.8939999938011169},{"id":"https://openalex.org/keywords/certified-reference-materials","display_name":"certified reference materials","score":0.8930000066757202},{"id":"https://openalex.org/keywords/phosphate-buffer","display_name":"phosphate buffer","score":0.9390000104904175},{"id":"https://openalex.org/keywords/proficiency-testing","display_name":"proficiency testing","score":0.9649999737739563},{"id":"https://openalex.org/keywords/ph-measurement","display_name":"pH measurement","score":0.8069999814033508}],"concepts":[{"id":"https://openalex.org/C142259097","wikidata":"https://www.wikidata.org/wiki/Q5891314","display_name":"Homogeneity (statistics)","level":2,"score":0.842589259147644},{"id":"https://openalex.org/C124614425","wikidata":"https://www.wikidata.org/wiki/Q1813495","display_name":"Potentiometric titration","level":3,"score":0.7396588325500488},{"id":"https://openalex.org/C145018004","wikidata":"https://www.wikidata.org/wiki/Q4985944","display_name":"Buffer (optical fiber)","level":2,"score":0.5832480788230896},{"id":"https://openalex.org/C100859065","wikidata":"https://www.wikidata.org/wiki/Q906323","display_name":"Certified reference materials","level":3,"score":0.5796434879302979},{"id":"https://openalex.org/C96616956","wikidata":"https://www.wikidata.org/wiki/Q285100","display_name":"Phosphate buffered saline","level":2,"score":0.5644510984420776},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.49753859639167786},{"id":"https://openalex.org/C113196181","wikidata":"https://www.wikidata.org/wiki/Q485223","display_name":"Analytical Chemistry (journal)","level":2,"score":0.4634411633014679},{"id":"https://openalex.org/C2778117296","wikidata":"https://www.wikidata.org/wiki/Q208465","display_name":"Buffer solution","level":2,"score":0.4119570851325989},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.3288049101829529},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2909354567527771},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.22512686252593994},{"id":"https://openalex.org/C17525397","wikidata":"https://www.wikidata.org/wiki/Q176140","display_name":"Electrode","level":2,"score":0.10860267281532288},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.07600343227386475},{"id":"https://openalex.org/C147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C119128265","wikidata":"https://www.wikidata.org/wiki/Q900165","display_name":"Detection limit","level":2,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s00769-021-01464-w","doi":"https://doi.org/10.1007/s00769-021-01464-w","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s00769-021-01464-w","pdf_url":"https://link.springer.com/content/pdf/10.1007/s00769-021-01464-w.pdf","source":{"id":"https://openalex.org/S177975795","display_name":"Accreditation and Quality Assurance","issn_l":"0949-1775","issn":["0949-1775","1432-0517"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-40","russia-white-list-3","vabb-shw"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Accreditation and Quality Assurance","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1007/s00769-021-01464-w","doi":"https://doi.org/10.1007/s00769-021-01464-w","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s00769-021-01464-w","pdf_url":"https://link.springer.com/content/pdf/10.1007/s00769-021-01464-w.pdf","source":{"id":"https://openalex.org/S177975795","display_name":"Accreditation and Quality Assurance","issn_l":"0949-1775","issn":["0949-1775","1432-0517"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-40","russia-white-list-3","vabb-shw"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Accreditation and Quality Assurance","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G434337789","display_name":null,"funder_award_id":"HORIZON2020","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320338394","display_name":"European Metrology Programme for Innovation and Research","ror":"https://ror.org/042k5q325"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3150311518.pdf","grobid_xml":"https://content.openalex.org/works/W3150311518.grobid-xml"},"referenced_works_count":14,"referenced_works":["https://openalex.org/W1992736943","https://openalex.org/W2009660427","https://openalex.org/W2011011149","https://openalex.org/W2033514870","https://openalex.org/W2068326291","https://openalex.org/W2075430963","https://openalex.org/W2079131078","https://openalex.org/W2110419236","https://openalex.org/W2142073124","https://openalex.org/W2496571228","https://openalex.org/W2944786085","https://openalex.org/W4237781595","https://openalex.org/W4247928251","https://openalex.org/W4249824524"],"related_works":["https://openalex.org/W2959876153","https://openalex.org/W7220853281","https://openalex.org/W2998053650","https://openalex.org/W2003428734","https://openalex.org/W4377097209","https://openalex.org/W2785837657","https://openalex.org/W2501950181","https://openalex.org/W1992736943","https://openalex.org/W2075430963","https://openalex.org/W7170645342"],"abstract_inverted_index":{"Abstract":[0],"In":[1],"this":[2,94,98],"work,":[3],"the":[4,120],"development":[5],"and":[6,26,44,56,91,114,116,126,130],"optimization":[7],"of":[8,30,41,58,65,84,101,109,122,128,132],"a":[9,16],"secondary":[10,102,123],"method":[11,23,50],"for":[12,81,119],"pH":[13,39,64,82],"measurement":[14,29,83],"using":[15],"differential":[17,103],"potentiometric":[18,104],"cell":[19,105],"are":[20],"described.":[21],"The":[22,49,87],"was":[24,51],"optimized":[25],"validated":[27],"by":[28],"three":[31],"certified":[32],"primary":[33],"buffer":[34,60,124,133],"solutions":[35,125],"(CRMs)":[36],"with":[37,62],"nominal":[38,63],"values":[40],"4.005,":[42],"6.865":[43],"9.180":[45],"at":[46,67],"25":[47,68],"\u00b0C.":[48],"applied":[52],"to":[53],"assess":[54],"homogeneity":[55,129],"stability":[57,131],"phosphate":[59],"solution":[61],"7.000":[66],"\u00b0C":[69],"which":[70],"will":[71],"be":[72],"used":[73],"as":[74],"test":[75],"item":[76],"in":[77,93],"proficiency":[78],"testing":[79,85],"schemes":[80],"laboratories.":[86],"experiments":[88],"carried":[89],"out":[90],"described":[92],"article":[95],"proved":[96],"that":[97],"particular":[99],"design":[100],"requires":[106],"small":[107],"volume":[108],"solutions,":[110],"is":[111,117],"fast,":[112],"accurate":[113],"precise":[115],"suitable":[118],"characterization":[121],"assessment":[127],"solutions.":[134]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":3}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2021-04-13T00:00:00"}