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An insight into the firing conditions of Chinese blue-and-white porcelain through XANES

2022-02Journal article Embargoed access
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dc.contributor.authorCoutinho, ML
dc.contributor.authorVeiga, JP
dc.contributor.authorRuivo, Andreia
dc.contributor.authorSilva, Teresa
dc.contributor.authorSalas-Colera, Eduardo
dc.contributor.authorBottura Scardina, Silvia
dc.contributor.authorLima, Augusta
dc.contributor.authorFigueiredo, Elin
dc.contributor.authorCotte, Marine
dc.contributor.authorLima, M.M.R.A.
dc.date.accessioned2022-03-14T17:26:43Z
dc.date.embargo2026-12
dc.date.issued2022-02
dc.description.abstractABSTRACT: Chinese blue-and-white porcelain is found in archaeological excavations worldwide, being significant evidence of global trade routes and cultural exchange. Synchrotron radiation-based techniques have been applied for studying cobalt speciation to establish a correlation between the cobalt and iron oxidation state and local coordination environment in the rich blue shades of Chinese blue-and-white porcelain. However, the relationship between the firing atmosphere conditions and the speciation of cobalt has not been established yet. In this study, underglaze blue models were produced and fired in air or under reducing atmospheres to ascertain the effect of the firing atmosphere in cobalt and iron speciation. The experimental results were compared with data obtained on historical samples of ancient porcelain shards. The microstructure and colour of the produced underglaze blue models were investigated by variable pressure scanning electron microscopy (VP-SEM-EDS), using a hyperspectral imaging camera (Vis-SWIR reflectance spectroscopy) and colorimetry. The formal valence and coordination of cobalt and iron ions of the glaze were determined by X-ray absorption spectroscopy (XAS), particularly X-ray absorption near edge structure (XANES), using synchrotron radiation. Spectral features demonstrated that both cobalt and iron speciation were affected by the firing atmosphere and therefore could be used to ascertain the firing atmosphere.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationCoutinho, Mathilda L... [et.al.] - An insight into the firing conditions of Chinese blue-and-white porcelain through XANES. In: Journal of Analytical Atomic Spectrometry, 2022, Vol. 37(3), pp. 632-640pt_PT
dc.identifier.doi10.1039/d2ja00006gpt_PT
dc.identifier.eissn1364-5544
dc.identifier.issn0267-9477
dc.identifier.urihttp://hdl.handle.net/10400.9/3809
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherRoyal Society of Chemistrypt_PT
dc.relationUID-B/50025/2020 i3N/CENIMAT FCT-UNLpt_PT
dc.relationGlass and Ceramic for the Arts
dc.relationHERCULES Laboratory - Cultural Heritage, Studies and Safeguard
dc.relationCEECIND/00349/2017pt_PT
dc.relation.publisherversionhttps://doi.org/10.1039/d2ja00006gpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectPatrimónio culturalpt_PT
dc.subjectCerâmicapt_PT
dc.subjectVidropt_PT
dc.subjectAbsorção de raios Xpt_PT
dc.subjectEspectrometria de raios Xpt_PT
dc.titleAn insight into the firing conditions of Chinese blue-and-white porcelain through XANESpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleGlass and Ceramic for the Arts
oaire.awardTitleHERCULES Laboratory - Cultural Heritage, Studies and Safeguard
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00729%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04449%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/9471 - RIDTI/PTDC%2FHAR-ARQ%2F32290%2F2017/PT
oaire.citation.endPage640pt_PT
oaire.citation.startPage632pt_PT
oaire.citation.titleJournal of Analytical Atomic Spectrometrypt_PT
oaire.citation.volume37pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream9471 - RIDTI
person.familyNameLarsson D. Coutinho
person.familyNameVeiga
person.familyNameRuivo
person.familyNameSilva
person.familyNameBottura Scardina
person.familyNameFigueiredo
person.familyNameLima
person.givenNameMathilda
person.givenNameJoão Pedro
person.givenNameAndreia
person.givenNameTeresa
person.givenNameSilvia
person.givenNameElin
person.givenNameMaria Margarida Rolim Augusto
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person.identifier.ridC-7044-2013
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project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsembargoedAccesspt_PT
rcaap.typearticlept_PT
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