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A little key to oxalate formation in oil paints: protective patina or chemical reactor?
By means of synchrotron based techniques, we propose an integrated mechanism for the degradation of 19 th century chrome yellow oil paints based on pigment reconstructions from historical recipes. We show that for certain paint formulations the darkening of these colours is triggered by the binder p...
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| Published in: | Photochemical & photobiological sciences 2018, Vol.17 (3), p.266-270 |
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| Main Authors: | , , , , , |
| Format: | Article |
| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c422t-bda93bc748af6da4d1e34d0f591d84b3e2aaf8e0e0b23d5ac2319579d47bc563 |
| container_end_page | 270 |
| container_issue | 3 |
| container_start_page | 266 |
| container_title | Photochemical & photobiological sciences |
| container_volume | 17 |
| creator | Otero, V. Vilarigues, M. Carlyle, L. Cotte, M. De Nolf, W. Melo, M. J. |
| description | By means of synchrotron based techniques, we propose an integrated mechanism for the degradation of 19
th
century chrome yellow oil paints based on pigment reconstructions from historical recipes. We show that for certain paint formulations the darkening of these colours is triggered by the binder photodegradation which leads to the formation of calcium oxalate at the expense of the filler CaCO
3
, and the reduction of the chrome yellow pigment (Cr
6+
/Cr
3+
). Considering that calcium oxalate is formed as a thin superficial layer, that may prevent light absorption by the paint bulk, we discuss its role as protective patina. |
| doi_str_mv | 10.1039/c7pp00307b |
| format | article |
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th
century chrome yellow oil paints based on pigment reconstructions from historical recipes. We show that for certain paint formulations the darkening of these colours is triggered by the binder photodegradation which leads to the formation of calcium oxalate at the expense of the filler CaCO
3
, and the reduction of the chrome yellow pigment (Cr
6+
/Cr
3+
). Considering that calcium oxalate is formed as a thin superficial layer, that may prevent light absorption by the paint bulk, we discuss its role as protective patina.</description><identifier>ISSN: 1474-905X</identifier><identifier>EISSN: 1474-9092</identifier><identifier>DOI: 10.1039/c7pp00307b</identifier><identifier>PMID: 29469143</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Biochemistry ; Biomaterials ; Calcium ; Calcium carbonate ; Calcium oxalate ; Chemical Sciences ; Chemistry ; Communication ; Darkening ; Electromagnetic absorption ; Formulations ; Kidney stones ; Oxalic acid ; Paints ; Patina ; Photodegradation ; Physical Chemistry ; Plant Sciences ; Protective coatings</subject><ispartof>Photochemical & photobiological sciences, 2018, Vol.17 (3), p.266-270</ispartof><rights>The Royal Society of Chemistry and Owner Societies 2018</rights><rights>Copyright Royal Society of Chemistry 2018</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c422t-bda93bc748af6da4d1e34d0f591d84b3e2aaf8e0e0b23d5ac2319579d47bc563</citedby><cites>FETCH-LOGICAL-c422t-bda93bc748af6da4d1e34d0f591d84b3e2aaf8e0e0b23d5ac2319579d47bc563</cites><orcidid>0000-0002-4949-588X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29469143$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.science/hal-04062626$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Otero, V.</creatorcontrib><creatorcontrib>Vilarigues, M.</creatorcontrib><creatorcontrib>Carlyle, L.</creatorcontrib><creatorcontrib>Cotte, M.</creatorcontrib><creatorcontrib>De Nolf, W.</creatorcontrib><creatorcontrib>Melo, M. J.</creatorcontrib><title>A little key to oxalate formation in oil paints: protective patina or chemical reactor?</title><title>Photochemical & photobiological sciences</title><addtitle>Photochem Photobiol Sci</addtitle><addtitle>Photochem Photobiol Sci</addtitle><description>By means of synchrotron based techniques, we propose an integrated mechanism for the degradation of 19
th
century chrome yellow oil paints based on pigment reconstructions from historical recipes. We show that for certain paint formulations the darkening of these colours is triggered by the binder photodegradation which leads to the formation of calcium oxalate at the expense of the filler CaCO
3
, and the reduction of the chrome yellow pigment (Cr
6+
/Cr
3+
). Considering that calcium oxalate is formed as a thin superficial layer, that may prevent light absorption by the paint bulk, we discuss its role as protective patina.</description><subject>Biochemistry</subject><subject>Biomaterials</subject><subject>Calcium</subject><subject>Calcium carbonate</subject><subject>Calcium oxalate</subject><subject>Chemical Sciences</subject><subject>Chemistry</subject><subject>Communication</subject><subject>Darkening</subject><subject>Electromagnetic absorption</subject><subject>Formulations</subject><subject>Kidney stones</subject><subject>Oxalic acid</subject><subject>Paints</subject><subject>Patina</subject><subject>Photodegradation</subject><subject>Physical Chemistry</subject><subject>Plant Sciences</subject><subject>Protective coatings</subject><issn>1474-905X</issn><issn>1474-9092</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNpt0VtrFDEUAOAgiq3VF3-ABHzxwurJZSYbX2QpaoUFXwr6NpzJnLGpmck0yRb7703ZugWRPCScfJwLh7HnAt4JUPa9M8sCoMD0D9ix0EavLFj58PBufhyxJzlfAohGt-YxO5JWt1Zodcy-b3jwpQTiv-iGl8jjbwxYiI8xTVh8nLmfefSBL-jnkj_wJcVCrvhrqqHiZ-QxcXdBk3cYeCJ0JaaPT9mjEUOmZ3f3CTv__On89Gy1_fbl6-lmu3JayrLqB7Sqd0avcWwH1IMgpQcYGyuGte4VScRxTUDQSzU06KQStjF20KZ3TatO2Ot92gsM3ZL8hOmmi-i7s822u42BhlbWcy2qfbW3dYKrHeXSTT47CgFnirvcSQBTm9IWKn35D72MuzTXQaoSykjVrGVVb_bKpZhzovHQgYDudjPd_WYqfnGXctdPNBzo31VU8HYPcv2af1K6r_mfdH8AMfqWqA</recordid><startdate>2018</startdate><enddate>2018</enddate><creator>Otero, V.</creator><creator>Vilarigues, M.</creator><creator>Carlyle, L.</creator><creator>Cotte, M.</creator><creator>De Nolf, W.</creator><creator>Melo, M. J.</creator><general>Springer International Publishing</general><general>Royal Society of Chemistry</general><general>Springer</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope><scope>7X8</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0002-4949-588X</orcidid></search><sort><creationdate>2018</creationdate><title>A little key to oxalate formation in oil paints: protective patina or chemical reactor?</title><author>Otero, V. ; Vilarigues, M. ; Carlyle, L. ; Cotte, M. ; De Nolf, W. ; Melo, M. J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c422t-bda93bc748af6da4d1e34d0f591d84b3e2aaf8e0e0b23d5ac2319579d47bc563</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Biochemistry</topic><topic>Biomaterials</topic><topic>Calcium</topic><topic>Calcium carbonate</topic><topic>Calcium oxalate</topic><topic>Chemical Sciences</topic><topic>Chemistry</topic><topic>Communication</topic><topic>Darkening</topic><topic>Electromagnetic absorption</topic><topic>Formulations</topic><topic>Kidney stones</topic><topic>Oxalic acid</topic><topic>Paints</topic><topic>Patina</topic><topic>Photodegradation</topic><topic>Physical Chemistry</topic><topic>Plant Sciences</topic><topic>Protective coatings</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Otero, V.</creatorcontrib><creatorcontrib>Vilarigues, M.</creatorcontrib><creatorcontrib>Carlyle, L.</creatorcontrib><creatorcontrib>Cotte, M.</creatorcontrib><creatorcontrib>De Nolf, W.</creatorcontrib><creatorcontrib>Melo, M. J.</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Photochemical & photobiological sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Otero, V.</au><au>Vilarigues, M.</au><au>Carlyle, L.</au><au>Cotte, M.</au><au>De Nolf, W.</au><au>Melo, M. J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A little key to oxalate formation in oil paints: protective patina or chemical reactor?</atitle><jtitle>Photochemical & photobiological sciences</jtitle><stitle>Photochem Photobiol Sci</stitle><addtitle>Photochem Photobiol Sci</addtitle><date>2018</date><risdate>2018</risdate><volume>17</volume><issue>3</issue><spage>266</spage><epage>270</epage><pages>266-270</pages><issn>1474-905X</issn><eissn>1474-9092</eissn><abstract>By means of synchrotron based techniques, we propose an integrated mechanism for the degradation of 19
th
century chrome yellow oil paints based on pigment reconstructions from historical recipes. We show that for certain paint formulations the darkening of these colours is triggered by the binder photodegradation which leads to the formation of calcium oxalate at the expense of the filler CaCO
3
, and the reduction of the chrome yellow pigment (Cr
6+
/Cr
3+
). Considering that calcium oxalate is formed as a thin superficial layer, that may prevent light absorption by the paint bulk, we discuss its role as protective patina.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><pmid>29469143</pmid><doi>10.1039/c7pp00307b</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0002-4949-588X</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Photochemical & photobiological sciences, 2018, Vol.17 (3), p.266-270 |
| issn | 1474-905X 1474-9092 |
| language | eng |
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| source | Springer Nature |
| subjects | Biochemistry Biomaterials Calcium Calcium carbonate Calcium oxalate Chemical Sciences Chemistry Communication Darkening Electromagnetic absorption Formulations Kidney stones Oxalic acid Paints Patina Photodegradation Physical Chemistry Plant Sciences Protective coatings |
| title | A little key to oxalate formation in oil paints: protective patina or chemical reactor? |
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