γ-Al₂O₃-Supported XMo₆ Anderson Heteropolyoxomolybdates: Adsorption Studies for X = Te<sup>VI</sup>, Al<sup>III</sup>, Co<sup>III</sup>, Cr<sup>III</sup> and Ni<sup>II</sup> by DR...

Autores
Cabello, Carmen Inés; Botto, Irma Lía; Cabrerizo, Franco Martín; González, María Gloria; Thomas, Horacio Jorge
Año de publicación
2000
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The support-overlayer adsorptive interactions, generated when solutions of Anderson heteropolyoxomolybdates were supported as a monolayer on γ-Al₂O₃ by means of the equilibrium adsorption method, were studied by XRD analysis, DR spectroscopy, electron microscopy (SEM-EDAX) and TPR methods. The adsorption isotherms and corresponding adsorption parameters (number of active sites and adsorption constants) of the γ-Al₂O₃-supported ammonium heptamolybdate were obtained and discussed. The following sequence of adsorption strength was suggested: CoMo₆ > CrMo₆ > TeMo₆ ~ AlMo₆ > NiMo₆. The effectiveness of the TPR technique as a tool for elucidating interaction effects was clearly demonstrated. The formation of a γ-Al₂O₃-supported Te-Mo mixed valence oxide appears to provide new and interesting catalytic possibilities.
Facultad de Ciencias Exactas
Centro de Investigación y Desarrollo en Ciencias Aplicadas
Centro de Química Inorgánica
Materia
Ciencias Exactas
Química
Heteropolyoxomolybdates
adsorption
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by-nc-sa/4.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/123748

id SEDICI_4fcddcbf8b579f1444852b74823c5bc1
oai_identifier_str oai:sedici.unlp.edu.ar:10915/123748
network_acronym_str SEDICI
repository_id_str 1329
network_name_str SEDICI (UNLP)
spelling γ-Al₂O₃-Supported XMo₆ Anderson Heteropolyoxomolybdates: Adsorption Studies for X = Te<sup>VI</sup>, Al<sup>III</sup>, Co<sup>III</sup>, Cr<sup>III</sup> and Ni<sup>II</sup> by DR Spectroscopy and TPR AnalysisCabello, Carmen InésBotto, Irma LíaCabrerizo, Franco MartínGonzález, María GloriaThomas, Horacio JorgeCiencias ExactasQuímicaHeteropolyoxomolybdatesadsorptionThe support-overlayer adsorptive interactions, generated when solutions of Anderson heteropolyoxomolybdates were supported as a monolayer on γ-Al₂O₃ by means of the equilibrium adsorption method, were studied by XRD analysis, DR spectroscopy, electron microscopy (SEM-EDAX) and TPR methods. The adsorption isotherms and corresponding adsorption parameters (number of active sites and adsorption constants) of the γ-Al₂O₃-supported ammonium heptamolybdate were obtained and discussed. The following sequence of adsorption strength was suggested: CoMo₆ > CrMo₆ > TeMo₆ ~ AlMo₆ > NiMo₆. The effectiveness of the TPR technique as a tool for elucidating interaction effects was clearly demonstrated. The formation of a γ-Al₂O₃-supported Te-Mo mixed valence oxide appears to provide new and interesting catalytic possibilities.Facultad de Ciencias ExactasCentro de Investigación y Desarrollo en Ciencias AplicadasCentro de Química Inorgánica2000info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf591-608http://sedici.unlp.edu.ar/handle/10915/123748enginfo:eu-repo/semantics/altIdentifier/issn/0263-6174info:eu-repo/semantics/altIdentifier/issn/2048-4038info:eu-repo/semantics/altIdentifier/doi/10.1260/0263617001493657info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-29T11:29:29Zoai:sedici.unlp.edu.ar:10915/123748Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 11:29:29.671SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv γ-Al₂O₃-Supported XMo₆ Anderson Heteropolyoxomolybdates: Adsorption Studies for X = Te<sup>VI</sup>, Al<sup>III</sup>, Co<sup>III</sup>, Cr<sup>III</sup> and Ni<sup>II</sup> by DR Spectroscopy and TPR Analysis
title γ-Al₂O₃-Supported XMo₆ Anderson Heteropolyoxomolybdates: Adsorption Studies for X = Te<sup>VI</sup>, Al<sup>III</sup>, Co<sup>III</sup>, Cr<sup>III</sup> and Ni<sup>II</sup> by DR Spectroscopy and TPR Analysis
spellingShingle γ-Al₂O₃-Supported XMo₆ Anderson Heteropolyoxomolybdates: Adsorption Studies for X = Te<sup>VI</sup>, Al<sup>III</sup>, Co<sup>III</sup>, Cr<sup>III</sup> and Ni<sup>II</sup> by DR Spectroscopy and TPR Analysis
Cabello, Carmen Inés
Ciencias Exactas
Química
Heteropolyoxomolybdates
adsorption
title_short γ-Al₂O₃-Supported XMo₆ Anderson Heteropolyoxomolybdates: Adsorption Studies for X = Te<sup>VI</sup>, Al<sup>III</sup>, Co<sup>III</sup>, Cr<sup>III</sup> and Ni<sup>II</sup> by DR Spectroscopy and TPR Analysis
title_full γ-Al₂O₃-Supported XMo₆ Anderson Heteropolyoxomolybdates: Adsorption Studies for X = Te<sup>VI</sup>, Al<sup>III</sup>, Co<sup>III</sup>, Cr<sup>III</sup> and Ni<sup>II</sup> by DR Spectroscopy and TPR Analysis
title_fullStr γ-Al₂O₃-Supported XMo₆ Anderson Heteropolyoxomolybdates: Adsorption Studies for X = Te<sup>VI</sup>, Al<sup>III</sup>, Co<sup>III</sup>, Cr<sup>III</sup> and Ni<sup>II</sup> by DR Spectroscopy and TPR Analysis
title_full_unstemmed γ-Al₂O₃-Supported XMo₆ Anderson Heteropolyoxomolybdates: Adsorption Studies for X = Te<sup>VI</sup>, Al<sup>III</sup>, Co<sup>III</sup>, Cr<sup>III</sup> and Ni<sup>II</sup> by DR Spectroscopy and TPR Analysis
title_sort γ-Al₂O₃-Supported XMo₆ Anderson Heteropolyoxomolybdates: Adsorption Studies for X = Te<sup>VI</sup>, Al<sup>III</sup>, Co<sup>III</sup>, Cr<sup>III</sup> and Ni<sup>II</sup> by DR Spectroscopy and TPR Analysis
dc.creator.none.fl_str_mv Cabello, Carmen Inés
Botto, Irma Lía
Cabrerizo, Franco Martín
González, María Gloria
Thomas, Horacio Jorge
author Cabello, Carmen Inés
author_facet Cabello, Carmen Inés
Botto, Irma Lía
Cabrerizo, Franco Martín
González, María Gloria
Thomas, Horacio Jorge
author_role author
author2 Botto, Irma Lía
Cabrerizo, Franco Martín
González, María Gloria
Thomas, Horacio Jorge
author2_role author
author
author
author
dc.subject.none.fl_str_mv Ciencias Exactas
Química
Heteropolyoxomolybdates
adsorption
topic Ciencias Exactas
Química
Heteropolyoxomolybdates
adsorption
dc.description.none.fl_txt_mv The support-overlayer adsorptive interactions, generated when solutions of Anderson heteropolyoxomolybdates were supported as a monolayer on γ-Al₂O₃ by means of the equilibrium adsorption method, were studied by XRD analysis, DR spectroscopy, electron microscopy (SEM-EDAX) and TPR methods. The adsorption isotherms and corresponding adsorption parameters (number of active sites and adsorption constants) of the γ-Al₂O₃-supported ammonium heptamolybdate were obtained and discussed. The following sequence of adsorption strength was suggested: CoMo₆ > CrMo₆ > TeMo₆ ~ AlMo₆ > NiMo₆. The effectiveness of the TPR technique as a tool for elucidating interaction effects was clearly demonstrated. The formation of a γ-Al₂O₃-supported Te-Mo mixed valence oxide appears to provide new and interesting catalytic possibilities.
Facultad de Ciencias Exactas
Centro de Investigación y Desarrollo en Ciencias Aplicadas
Centro de Química Inorgánica
description The support-overlayer adsorptive interactions, generated when solutions of Anderson heteropolyoxomolybdates were supported as a monolayer on γ-Al₂O₃ by means of the equilibrium adsorption method, were studied by XRD analysis, DR spectroscopy, electron microscopy (SEM-EDAX) and TPR methods. The adsorption isotherms and corresponding adsorption parameters (number of active sites and adsorption constants) of the γ-Al₂O₃-supported ammonium heptamolybdate were obtained and discussed. The following sequence of adsorption strength was suggested: CoMo₆ > CrMo₆ > TeMo₆ ~ AlMo₆ > NiMo₆. The effectiveness of the TPR technique as a tool for elucidating interaction effects was clearly demonstrated. The formation of a γ-Al₂O₃-supported Te-Mo mixed valence oxide appears to provide new and interesting catalytic possibilities.
publishDate 2000
dc.date.none.fl_str_mv 2000
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Articulo
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://sedici.unlp.edu.ar/handle/10915/123748
url http://sedici.unlp.edu.ar/handle/10915/123748
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/issn/0263-6174
info:eu-repo/semantics/altIdentifier/issn/2048-4038
info:eu-repo/semantics/altIdentifier/doi/10.1260/0263617001493657
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
dc.format.none.fl_str_mv application/pdf
591-608
dc.source.none.fl_str_mv reponame:SEDICI (UNLP)
instname:Universidad Nacional de La Plata
instacron:UNLP
reponame_str SEDICI (UNLP)
collection SEDICI (UNLP)
instname_str Universidad Nacional de La Plata
instacron_str UNLP
institution UNLP
repository.name.fl_str_mv SEDICI (UNLP) - Universidad Nacional de La Plata
repository.mail.fl_str_mv alira@sedici.unlp.edu.ar
_version_ 1844616173852819456
score 13.070432