{"id":"https://openalex.org/W2492906233","doi":"https://doi.org/10.1177/026361749901700805","title":"The Influence of Phosphate and Sulphate Ions on the Surface Texture of Alumina","display_name":"The Influence of Phosphate and Sulphate Ions on the Surface Texture of Alumina","publication_year":1999,"publication_date":"1999-09-01","ids":{"openalex":"https://openalex.org/W2492906233","doi":"https://doi.org/10.1177/026361749901700805","mag":"2492906233"},"language":"en","primary_location":{"id":"doi:10.1177/026361749901700805","doi":"https://doi.org/10.1177/026361749901700805","is_oa":true,"landing_page_url":"https://doi.org/10.1177/026361749901700805","pdf_url":"https://journals.sagepub.com/doi/pdf/10.1177/026361749901700805","source":{"id":"https://openalex.org/S11826920","display_name":"Adsorption Science & Technology","issn_l":"0263-6174","issn":["0263-6174","2048-4038"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","poland-40","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320017","host_organization_name":"SAGE Publishing","host_organization_lineage":["https://openalex.org/P4310320017"],"host_organization_lineage_names":["SAGE Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Adsorption Science & Technology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://journals.sagepub.com/doi/pdf/10.1177/026361749901700805","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5045587063","display_name":"Ahmed K. H. Nohman","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I89466785","display_name":"Minia University","ror":"https://ror.org/02hcv4z63","country_code":"EG","type":"education","lineage":["https://openalex.org/I89466785"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Ahmed K.H. Nohman","raw_affiliation_strings":["Chemistry Department, Faculty of Science, Minia University, El-Minia 61519, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chemistry Department, Faculty of Science, Minia University, El-Minia 61519, Egypt","institution_ids":["https://openalex.org/I89466785"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029166492","display_name":"Gamal A. H. Mekhemer","orcid":"https://orcid.org/0000-0003-2474-076X","observed_orcids":["https://orcid.org/0000-0003-2474-076X"]},"institutions":[{"id":"https://openalex.org/I89466785","display_name":"Minia University","ror":"https://ror.org/02hcv4z63","country_code":"EG","type":"education","lineage":["https://openalex.org/I89466785"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Gamal A.H. Mekhemer","raw_affiliation_strings":["Chemistry Department, Faculty of Science, Minia University, El-Minia 61519, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chemistry Department, Faculty of Science, Minia University, El-Minia 61519, Egypt","institution_ids":["https://openalex.org/I89466785"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062490611","display_name":"Nasr E. Fouad","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I89466785","display_name":"Minia University","ror":"https://ror.org/02hcv4z63","country_code":"EG","type":"education","lineage":["https://openalex.org/I89466785"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Nasr E. Fouad","raw_affiliation_strings":["Chemistry Department, Faculty of Science, Minia University, El-Minia 61519, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chemistry Department, Faculty of Science, Minia University, El-Minia 61519, Egypt","institution_ids":["https://openalex.org/I89466785"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5055704071","display_name":"Hussein A. Khalaf","orcid":"https://orcid.org/0000-0003-3120-0331","observed_orcids":["https://orcid.org/0000-0003-3120-0331"]},"institutions":[{"id":"https://openalex.org/I89466785","display_name":"Minia University","ror":"https://ror.org/02hcv4z63","country_code":"EG","type":"education","lineage":["https://openalex.org/I89466785"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Hussein A. Khalaf","raw_affiliation_strings":["Chemistry Department, Faculty of Science, Minia University, El-Minia 61519, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chemistry Department, Faculty of Science, Minia University, El-Minia 61519, Egypt","institution_ids":["https://openalex.org/I89466785"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I89466785"],"apc_list":{"value":1500,"currency":"USD","value_usd":1500},"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.32706644,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"17","issue":"8","first_page":"665","last_page":"673"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10735","display_name":"Mesoporous Materials and Catalysis","score":0.6240000128746033,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10735","display_name":"Mesoporous Materials and Catalysis","score":0.6240000128746033,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13604","display_name":"Adsorption, diffusion, and thermodynamic properties of materials","score":0.28220000863075256,"subfield":{"id":"https://openalex.org/subfields/1606","display_name":"Physical and Theoretical 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/T10353","display_name":"Zeolite Catalysis and Synthesis","score":0.08219999819993973,"subfield":{"id":"https://openalex.org/subfields/1604","display_name":"Inorganic 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/phosphate","display_name":"phosphate","score":0.5009999871253967},{"id":"https://openalex.org/keywords/sulfate","display_name":"sulfate","score":1.0},{"id":"https://openalex.org/keywords/gamma-alumina","display_name":"gamma-alumina","score":0.9430000185966492},{"id":"https://openalex.org/keywords/surface-area","display_name":"surface area","score":0.5210000276565552},{"id":"https://openalex.org/keywords/porosity","display_name":"porosity","score":0.9200000166893005},{"id":"https://openalex.org/keywords/nitrogen-adsorption","display_name":"nitrogen adsorption","score":0.7559999823570251},{"id":"https://openalex.org/keywords/calcination","display_name":"calcination","score":0.7179999947547913},{"id":"https://openalex.org/keywords/impregnation","display_name":"impregnation","score":0.6000000238418579}],"concepts":[{"id":"https://openalex.org/C7082614","wikidata":"https://www.wikidata.org/wiki/Q849523","display_name":"Calcination","level":3,"score":0.9134730100631714},{"id":"https://openalex.org/C2777132085","wikidata":"https://www.wikidata.org/wiki/Q46220103","display_name":"Phosphate","level":2,"score":0.8247586488723755},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.8066005706787109},{"id":"https://openalex.org/C150394285","wikidata":"https://www.wikidata.org/wiki/Q180254","display_name":"Adsorption","level":2,"score":0.7691706418991089},{"id":"https://openalex.org/C2781195486","wikidata":"https://www.wikidata.org/wiki/Q289436","display_name":"Texture (cosmology)","level":3,"score":0.6349434852600098},{"id":"https://openalex.org/C6648577","wikidata":"https://www.wikidata.org/wiki/Q622669","display_name":"Porosity","level":2,"score":0.6033572554588318},{"id":"https://openalex.org/C179104552","wikidata":"https://www.wikidata.org/wiki/Q11165","display_name":"Inorganic chemistry","level":1,"score":0.5235464572906494},{"id":"https://openalex.org/C145148216","wikidata":"https://www.wikidata.org/wiki/Q36496","display_name":"Ion","level":2,"score":0.46557754278182983},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.4346693754196167},{"id":"https://openalex.org/C13965031","wikidata":"https://www.wikidata.org/wiki/Q243545","display_name":"Nuclear chemistry","level":1,"score":0.3474685549736023},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.2179119884967804},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.13737785816192627},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1177/026361749901700805","doi":"https://doi.org/10.1177/026361749901700805","is_oa":true,"landing_page_url":"https://doi.org/10.1177/026361749901700805","pdf_url":"https://journals.sagepub.com/doi/pdf/10.1177/026361749901700805","source":{"id":"https://openalex.org/S11826920","display_name":"Adsorption Science & Technology","issn_l":"0263-6174","issn":["0263-6174","2048-4038"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","poland-40","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320017","host_organization_name":"SAGE Publishing","host_organization_lineage":["https://openalex.org/P4310320017"],"host_organization_lineage_names":["SAGE Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Adsorption Science & Technology","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:a6b39a24419f440a8b115a896dde58f5","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/a6b39a24419f440a8b115a896dde58f5","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Adsorption Science & Technology, Vol 17 (1999)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1177/026361749901700805","doi":"https://doi.org/10.1177/026361749901700805","is_oa":true,"landing_page_url":"https://doi.org/10.1177/026361749901700805","pdf_url":"https://journals.sagepub.com/doi/pdf/10.1177/026361749901700805","source":{"id":"https://openalex.org/S11826920","display_name":"Adsorption Science & Technology","issn_l":"0263-6174","issn":["0263-6174","2048-4038"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","poland-40","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320017","host_organization_name":"SAGE Publishing","host_organization_lineage":["https://openalex.org/P4310320017"],"host_organization_lineage_names":["SAGE Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Adsorption Science & Technology","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2492906233.pdf","grobid_xml":"https://content.openalex.org/works/W2492906233.grobid-xml"},"referenced_works_count":17,"referenced_works":["https://openalex.org/W627920333","https://openalex.org/W1975552736","https://openalex.org/W1978769860","https://openalex.org/W1988192639","https://openalex.org/W1989350605","https://openalex.org/W1993612452","https://openalex.org/W2004128713","https://openalex.org/W2042871842","https://openalex.org/W2044096208","https://openalex.org/W2046657821","https://openalex.org/W2082405818","https://openalex.org/W2087049148","https://openalex.org/W2124288779","https://openalex.org/W2312203822","https://openalex.org/W2331212077","https://openalex.org/W3122358257","https://openalex.org/W4254929025"],"related_works":["https://openalex.org/W1984702793","https://openalex.org/W1992619929","https://openalex.org/W1979748977","https://openalex.org/W1990401751","https://openalex.org/W2006658829","https://openalex.org/W7154936656","https://openalex.org/W2950920168","https://openalex.org/W2730068111","https://openalex.org/W1965566892","https://openalex.org/W2015262256"],"abstract_inverted_index":{"The":[0],"impact":[1],"of":[2,5,31,62,77,120],"the":[3,55,71,75,90,100,118,140],"addition":[4,76],"phosphate":[6,44,79],"and":[7,14,45,80],"sulphate":[8,46,81],"salts":[9,47,82],"to":[10,60,97,139,145],"aluminas,":[11],"viz.":[12],"\u03b3-alumina":[13,63,95],"dried":[15],"alumina":[16,103,142],"gel,":[17],"on":[18],"their":[19],"surface":[20,108,128],"textures":[21],"is":[22,131],"described.":[23],"This":[24],"has":[25],"been":[26],"achieved":[27],"through":[28,41],"an":[29],"analysis":[30],"nitrogen":[32],"adsorption":[33],"data":[34],"for":[35,94,117],"structurally":[36],"characterised":[37],"test":[38],"samples.":[39],"Modification":[40],"impregnation":[42],"by":[43],"did":[48],"not":[49],"result":[50],"in":[51,64,84,89,99],"detectable":[52],"bulk":[53],"changes,":[54],"structure":[56],"remaining":[57],"very":[58],"similar":[59],"that":[61,133],"all":[65],"cases.":[66],"However,":[67],"as":[68,70],"far":[69],"texture":[72],"was":[73],"concerned,":[74],"both":[78],"resulted":[83],"a":[85,106],"ca.":[86],"15%":[87],"reduction":[88],"S":[91],"BET":[92],"value":[93],"due":[96],"changes":[98],"porosity.":[101],"Modified":[102],"gel":[104,143],"exhibited":[105],"higher":[107,127],"area":[109],"than":[110],"either":[111],"pure":[112],"or":[113,135],"modified":[114],"\u03b3-alumina.":[115],"Thus,":[116],"purposes":[119],"obtaining":[121],"catalytically":[122],"important":[123],"acidified":[124],"aluminas":[125],"with":[126],"areas,":[129],"it":[130],"recommended":[132],"phosphates":[134],"sulphates":[136],"be":[137],"added":[138],"parent":[141],"prior":[144],"calcination.":[146]},"counts_by_year":[],"updated_date":"2026-10-28T10:33:24.094632","created_date":"2016-08-23T00:00:00"}