X-ray absorption investigations of copper resinate blackening in a XV century Italian painting
Abstract Investigations of the darkening phenomenon of copper resinate observed in a XV century easel painting were carried out by X-ray absorption spectroscopy (XAS) at the GILDA beamline of the European synchrotron radiation facility (ESRF, Grenoble, France). X-ray absorption near edge structure a...
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Gespeichert in:
| Autor*in: |
Cartechini, L. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2008 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer-Verlag 2008 |
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| Übergeordnetes Werk: |
Enthalten in: Applied physics - Berlin : Springer, 1973, 92(2008), 1 vom: 10. Apr., Seite 243-250 |
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| Übergeordnetes Werk: |
volume:92 ; year:2008 ; number:1 ; day:10 ; month:04 ; pages:243-250 |
| Links: |
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| DOI / URN: |
10.1007/s00339-008-4498-y |
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SPR004100190 |
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| 520 | |a Abstract Investigations of the darkening phenomenon of copper resinate observed in a XV century easel painting were carried out by X-ray absorption spectroscopy (XAS) at the GILDA beamline of the European synchrotron radiation facility (ESRF, Grenoble, France). X-ray absorption near edge structure and extended X-ray absorption fine structure (EXAFS) measurements were collected at the Cu K-edge on an original painting sample, as well as on fresh pigment standards and on painting models. The study was aimed at providing structural information of the oxidation states and the local chemical environment (neighbouring atoms and bond distances) of copper in the unaltered and blackened pigments in order to elucidate the discoloration mechanism. Complementary information on optical and molecular properties of copper resinate were obtained by UV-vis and Fourier transform infrared spectroscopies. EXAFS analysis evidenced that the local chemical environment of Cu in copper resinate can be described using neutral copper acetate as a model. It consists, essentially, of bimetal $ Cu^{2+} $ carboxylate complexes with a distorted octahedral coordination. Such a structure is retained in the blackened pigment, although some differences were observed. It has been found that the alteration takes place without change of the valence state of Cu(II) ions, while the formation of the copper oxides CuO and $ Cu_{2} $O responsible for the embrownment is excluded. On the basis of the XAS results we deduced that discoloration of copper resinate may be related to local modification of the copper coordination structure as evidenced by the observation of an increase of the Cu–Cu and Cu–C distances in the EXAFS spectra. | ||
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| 650 | 4 | |a Pure Pigment |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Copper Resinate |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Miliani, C. |4 aut | |
| 700 | 1 | |a Brunetti, B.G. |4 aut | |
| 700 | 1 | |a Sgamellotti, A. |4 aut | |
| 700 | 1 | |a Altavilla, C. |4 aut | |
| 700 | 1 | |a Ciliberto, E. |4 aut | |
| 700 | 1 | |a D’Acapito, F. |4 aut | |
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10.1007/s00339-008-4498-y doi (DE-627)SPR004100190 (SPR)s00339-008-4498-y-e DE-627 ger DE-627 rakwb eng Cartechini, L. verfasserin aut X-ray absorption investigations of copper resinate blackening in a XV century Italian painting 2008 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag 2008 Abstract Investigations of the darkening phenomenon of copper resinate observed in a XV century easel painting were carried out by X-ray absorption spectroscopy (XAS) at the GILDA beamline of the European synchrotron radiation facility (ESRF, Grenoble, France). X-ray absorption near edge structure and extended X-ray absorption fine structure (EXAFS) measurements were collected at the Cu K-edge on an original painting sample, as well as on fresh pigment standards and on painting models. The study was aimed at providing structural information of the oxidation states and the local chemical environment (neighbouring atoms and bond distances) of copper in the unaltered and blackened pigments in order to elucidate the discoloration mechanism. Complementary information on optical and molecular properties of copper resinate were obtained by UV-vis and Fourier transform infrared spectroscopies. EXAFS analysis evidenced that the local chemical environment of Cu in copper resinate can be described using neutral copper acetate as a model. It consists, essentially, of bimetal $ Cu^{2+} $ carboxylate complexes with a distorted octahedral coordination. Such a structure is retained in the blackened pigment, although some differences were observed. It has been found that the alteration takes place without change of the valence state of Cu(II) ions, while the formation of the copper oxides CuO and $ Cu_{2} $O responsible for the embrownment is excluded. On the basis of the XAS results we deduced that discoloration of copper resinate may be related to local modification of the copper coordination structure as evidenced by the observation of an increase of the Cu–Cu and Cu–C distances in the EXAFS spectra. Copper Acetate (dpeaa)DE-He213 Local Chemical Environment (dpeaa)DE-He213 Painting Model (dpeaa)DE-He213 Pure Pigment (dpeaa)DE-He213 Copper Resinate (dpeaa)DE-He213 Miliani, C. aut Brunetti, B.G. aut Sgamellotti, A. aut Altavilla, C. aut Ciliberto, E. aut D’Acapito, F. aut Enthalten in Applied physics Berlin : Springer, 1973 92(2008), 1 vom: 10. Apr., Seite 243-250 (DE-627)235503231 (DE-600)1398311-8 1432-0630 nnns volume:92 year:2008 number:1 day:10 month:04 pages:243-250 https://dx.doi.org/10.1007/s00339-008-4498-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 92 2008 1 10 04 243-250 |
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10.1007/s00339-008-4498-y doi (DE-627)SPR004100190 (SPR)s00339-008-4498-y-e DE-627 ger DE-627 rakwb eng Cartechini, L. verfasserin aut X-ray absorption investigations of copper resinate blackening in a XV century Italian painting 2008 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag 2008 Abstract Investigations of the darkening phenomenon of copper resinate observed in a XV century easel painting were carried out by X-ray absorption spectroscopy (XAS) at the GILDA beamline of the European synchrotron radiation facility (ESRF, Grenoble, France). X-ray absorption near edge structure and extended X-ray absorption fine structure (EXAFS) measurements were collected at the Cu K-edge on an original painting sample, as well as on fresh pigment standards and on painting models. The study was aimed at providing structural information of the oxidation states and the local chemical environment (neighbouring atoms and bond distances) of copper in the unaltered and blackened pigments in order to elucidate the discoloration mechanism. Complementary information on optical and molecular properties of copper resinate were obtained by UV-vis and Fourier transform infrared spectroscopies. EXAFS analysis evidenced that the local chemical environment of Cu in copper resinate can be described using neutral copper acetate as a model. It consists, essentially, of bimetal $ Cu^{2+} $ carboxylate complexes with a distorted octahedral coordination. Such a structure is retained in the blackened pigment, although some differences were observed. It has been found that the alteration takes place without change of the valence state of Cu(II) ions, while the formation of the copper oxides CuO and $ Cu_{2} $O responsible for the embrownment is excluded. On the basis of the XAS results we deduced that discoloration of copper resinate may be related to local modification of the copper coordination structure as evidenced by the observation of an increase of the Cu–Cu and Cu–C distances in the EXAFS spectra. Copper Acetate (dpeaa)DE-He213 Local Chemical Environment (dpeaa)DE-He213 Painting Model (dpeaa)DE-He213 Pure Pigment (dpeaa)DE-He213 Copper Resinate (dpeaa)DE-He213 Miliani, C. aut Brunetti, B.G. aut Sgamellotti, A. aut Altavilla, C. aut Ciliberto, E. aut D’Acapito, F. aut Enthalten in Applied physics Berlin : Springer, 1973 92(2008), 1 vom: 10. Apr., Seite 243-250 (DE-627)235503231 (DE-600)1398311-8 1432-0630 nnns volume:92 year:2008 number:1 day:10 month:04 pages:243-250 https://dx.doi.org/10.1007/s00339-008-4498-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 92 2008 1 10 04 243-250 |
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10.1007/s00339-008-4498-y doi (DE-627)SPR004100190 (SPR)s00339-008-4498-y-e DE-627 ger DE-627 rakwb eng Cartechini, L. verfasserin aut X-ray absorption investigations of copper resinate blackening in a XV century Italian painting 2008 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag 2008 Abstract Investigations of the darkening phenomenon of copper resinate observed in a XV century easel painting were carried out by X-ray absorption spectroscopy (XAS) at the GILDA beamline of the European synchrotron radiation facility (ESRF, Grenoble, France). X-ray absorption near edge structure and extended X-ray absorption fine structure (EXAFS) measurements were collected at the Cu K-edge on an original painting sample, as well as on fresh pigment standards and on painting models. The study was aimed at providing structural information of the oxidation states and the local chemical environment (neighbouring atoms and bond distances) of copper in the unaltered and blackened pigments in order to elucidate the discoloration mechanism. Complementary information on optical and molecular properties of copper resinate were obtained by UV-vis and Fourier transform infrared spectroscopies. EXAFS analysis evidenced that the local chemical environment of Cu in copper resinate can be described using neutral copper acetate as a model. It consists, essentially, of bimetal $ Cu^{2+} $ carboxylate complexes with a distorted octahedral coordination. Such a structure is retained in the blackened pigment, although some differences were observed. It has been found that the alteration takes place without change of the valence state of Cu(II) ions, while the formation of the copper oxides CuO and $ Cu_{2} $O responsible for the embrownment is excluded. On the basis of the XAS results we deduced that discoloration of copper resinate may be related to local modification of the copper coordination structure as evidenced by the observation of an increase of the Cu–Cu and Cu–C distances in the EXAFS spectra. Copper Acetate (dpeaa)DE-He213 Local Chemical Environment (dpeaa)DE-He213 Painting Model (dpeaa)DE-He213 Pure Pigment (dpeaa)DE-He213 Copper Resinate (dpeaa)DE-He213 Miliani, C. aut Brunetti, B.G. aut Sgamellotti, A. aut Altavilla, C. aut Ciliberto, E. aut D’Acapito, F. aut Enthalten in Applied physics Berlin : Springer, 1973 92(2008), 1 vom: 10. Apr., Seite 243-250 (DE-627)235503231 (DE-600)1398311-8 1432-0630 nnns volume:92 year:2008 number:1 day:10 month:04 pages:243-250 https://dx.doi.org/10.1007/s00339-008-4498-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 92 2008 1 10 04 243-250 |
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10.1007/s00339-008-4498-y doi (DE-627)SPR004100190 (SPR)s00339-008-4498-y-e DE-627 ger DE-627 rakwb eng Cartechini, L. verfasserin aut X-ray absorption investigations of copper resinate blackening in a XV century Italian painting 2008 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag 2008 Abstract Investigations of the darkening phenomenon of copper resinate observed in a XV century easel painting were carried out by X-ray absorption spectroscopy (XAS) at the GILDA beamline of the European synchrotron radiation facility (ESRF, Grenoble, France). X-ray absorption near edge structure and extended X-ray absorption fine structure (EXAFS) measurements were collected at the Cu K-edge on an original painting sample, as well as on fresh pigment standards and on painting models. The study was aimed at providing structural information of the oxidation states and the local chemical environment (neighbouring atoms and bond distances) of copper in the unaltered and blackened pigments in order to elucidate the discoloration mechanism. Complementary information on optical and molecular properties of copper resinate were obtained by UV-vis and Fourier transform infrared spectroscopies. EXAFS analysis evidenced that the local chemical environment of Cu in copper resinate can be described using neutral copper acetate as a model. It consists, essentially, of bimetal $ Cu^{2+} $ carboxylate complexes with a distorted octahedral coordination. Such a structure is retained in the blackened pigment, although some differences were observed. It has been found that the alteration takes place without change of the valence state of Cu(II) ions, while the formation of the copper oxides CuO and $ Cu_{2} $O responsible for the embrownment is excluded. On the basis of the XAS results we deduced that discoloration of copper resinate may be related to local modification of the copper coordination structure as evidenced by the observation of an increase of the Cu–Cu and Cu–C distances in the EXAFS spectra. Copper Acetate (dpeaa)DE-He213 Local Chemical Environment (dpeaa)DE-He213 Painting Model (dpeaa)DE-He213 Pure Pigment (dpeaa)DE-He213 Copper Resinate (dpeaa)DE-He213 Miliani, C. aut Brunetti, B.G. aut Sgamellotti, A. aut Altavilla, C. aut Ciliberto, E. aut D’Acapito, F. aut Enthalten in Applied physics Berlin : Springer, 1973 92(2008), 1 vom: 10. Apr., Seite 243-250 (DE-627)235503231 (DE-600)1398311-8 1432-0630 nnns volume:92 year:2008 number:1 day:10 month:04 pages:243-250 https://dx.doi.org/10.1007/s00339-008-4498-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 92 2008 1 10 04 243-250 |
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10.1007/s00339-008-4498-y doi (DE-627)SPR004100190 (SPR)s00339-008-4498-y-e DE-627 ger DE-627 rakwb eng Cartechini, L. verfasserin aut X-ray absorption investigations of copper resinate blackening in a XV century Italian painting 2008 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag 2008 Abstract Investigations of the darkening phenomenon of copper resinate observed in a XV century easel painting were carried out by X-ray absorption spectroscopy (XAS) at the GILDA beamline of the European synchrotron radiation facility (ESRF, Grenoble, France). X-ray absorption near edge structure and extended X-ray absorption fine structure (EXAFS) measurements were collected at the Cu K-edge on an original painting sample, as well as on fresh pigment standards and on painting models. The study was aimed at providing structural information of the oxidation states and the local chemical environment (neighbouring atoms and bond distances) of copper in the unaltered and blackened pigments in order to elucidate the discoloration mechanism. Complementary information on optical and molecular properties of copper resinate were obtained by UV-vis and Fourier transform infrared spectroscopies. EXAFS analysis evidenced that the local chemical environment of Cu in copper resinate can be described using neutral copper acetate as a model. It consists, essentially, of bimetal $ Cu^{2+} $ carboxylate complexes with a distorted octahedral coordination. Such a structure is retained in the blackened pigment, although some differences were observed. It has been found that the alteration takes place without change of the valence state of Cu(II) ions, while the formation of the copper oxides CuO and $ Cu_{2} $O responsible for the embrownment is excluded. On the basis of the XAS results we deduced that discoloration of copper resinate may be related to local modification of the copper coordination structure as evidenced by the observation of an increase of the Cu–Cu and Cu–C distances in the EXAFS spectra. Copper Acetate (dpeaa)DE-He213 Local Chemical Environment (dpeaa)DE-He213 Painting Model (dpeaa)DE-He213 Pure Pigment (dpeaa)DE-He213 Copper Resinate (dpeaa)DE-He213 Miliani, C. aut Brunetti, B.G. aut Sgamellotti, A. aut Altavilla, C. aut Ciliberto, E. aut D’Acapito, F. aut Enthalten in Applied physics Berlin : Springer, 1973 92(2008), 1 vom: 10. Apr., Seite 243-250 (DE-627)235503231 (DE-600)1398311-8 1432-0630 nnns volume:92 year:2008 number:1 day:10 month:04 pages:243-250 https://dx.doi.org/10.1007/s00339-008-4498-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 92 2008 1 10 04 243-250 |
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Enthalten in Applied physics 92(2008), 1 vom: 10. Apr., Seite 243-250 volume:92 year:2008 number:1 day:10 month:04 pages:243-250 |
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Enthalten in Applied physics 92(2008), 1 vom: 10. Apr., Seite 243-250 volume:92 year:2008 number:1 day:10 month:04 pages:243-250 |
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Copper Acetate Local Chemical Environment Painting Model Pure Pigment Copper Resinate |
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Cartechini, L. @@aut@@ Miliani, C. @@aut@@ Brunetti, B.G. @@aut@@ Sgamellotti, A. @@aut@@ Altavilla, C. @@aut@@ Ciliberto, E. @@aut@@ D’Acapito, F. @@aut@@ |
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X-ray absorption near edge structure and extended X-ray absorption fine structure (EXAFS) measurements were collected at the Cu K-edge on an original painting sample, as well as on fresh pigment standards and on painting models. The study was aimed at providing structural information of the oxidation states and the local chemical environment (neighbouring atoms and bond distances) of copper in the unaltered and blackened pigments in order to elucidate the discoloration mechanism. Complementary information on optical and molecular properties of copper resinate were obtained by UV-vis and Fourier transform infrared spectroscopies. EXAFS analysis evidenced that the local chemical environment of Cu in copper resinate can be described using neutral copper acetate as a model. It consists, essentially, of bimetal $ Cu^{2+} $ carboxylate complexes with a distorted octahedral coordination. Such a structure is retained in the blackened pigment, although some differences were observed. It has been found that the alteration takes place without change of the valence state of Cu(II) ions, while the formation of the copper oxides CuO and $ Cu_{2} $O responsible for the embrownment is excluded. 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|
| author |
Cartechini, L. |
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Cartechini, L. misc Copper Acetate misc Local Chemical Environment misc Painting Model misc Pure Pigment misc Copper Resinate X-ray absorption investigations of copper resinate blackening in a XV century Italian painting |
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X-ray absorption investigations of copper resinate blackening in a XV century Italian painting Copper Acetate (dpeaa)DE-He213 Local Chemical Environment (dpeaa)DE-He213 Painting Model (dpeaa)DE-He213 Pure Pigment (dpeaa)DE-He213 Copper Resinate (dpeaa)DE-He213 |
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misc Copper Acetate misc Local Chemical Environment misc Painting Model misc Pure Pigment misc Copper Resinate |
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X-ray absorption investigations of copper resinate blackening in a XV century Italian painting |
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Cartechini, L. |
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Applied physics |
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Cartechini, L. Miliani, C. Brunetti, B.G. Sgamellotti, A. Altavilla, C. Ciliberto, E. D’Acapito, F. |
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Cartechini, L. |
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10.1007/s00339-008-4498-y |
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x-ray absorption investigations of copper resinate blackening in a xv century italian painting |
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X-ray absorption investigations of copper resinate blackening in a XV century Italian painting |
| abstract |
Abstract Investigations of the darkening phenomenon of copper resinate observed in a XV century easel painting were carried out by X-ray absorption spectroscopy (XAS) at the GILDA beamline of the European synchrotron radiation facility (ESRF, Grenoble, France). X-ray absorption near edge structure and extended X-ray absorption fine structure (EXAFS) measurements were collected at the Cu K-edge on an original painting sample, as well as on fresh pigment standards and on painting models. The study was aimed at providing structural information of the oxidation states and the local chemical environment (neighbouring atoms and bond distances) of copper in the unaltered and blackened pigments in order to elucidate the discoloration mechanism. Complementary information on optical and molecular properties of copper resinate were obtained by UV-vis and Fourier transform infrared spectroscopies. EXAFS analysis evidenced that the local chemical environment of Cu in copper resinate can be described using neutral copper acetate as a model. It consists, essentially, of bimetal $ Cu^{2+} $ carboxylate complexes with a distorted octahedral coordination. Such a structure is retained in the blackened pigment, although some differences were observed. It has been found that the alteration takes place without change of the valence state of Cu(II) ions, while the formation of the copper oxides CuO and $ Cu_{2} $O responsible for the embrownment is excluded. On the basis of the XAS results we deduced that discoloration of copper resinate may be related to local modification of the copper coordination structure as evidenced by the observation of an increase of the Cu–Cu and Cu–C distances in the EXAFS spectra. © Springer-Verlag 2008 |
| abstractGer |
Abstract Investigations of the darkening phenomenon of copper resinate observed in a XV century easel painting were carried out by X-ray absorption spectroscopy (XAS) at the GILDA beamline of the European synchrotron radiation facility (ESRF, Grenoble, France). X-ray absorption near edge structure and extended X-ray absorption fine structure (EXAFS) measurements were collected at the Cu K-edge on an original painting sample, as well as on fresh pigment standards and on painting models. The study was aimed at providing structural information of the oxidation states and the local chemical environment (neighbouring atoms and bond distances) of copper in the unaltered and blackened pigments in order to elucidate the discoloration mechanism. Complementary information on optical and molecular properties of copper resinate were obtained by UV-vis and Fourier transform infrared spectroscopies. EXAFS analysis evidenced that the local chemical environment of Cu in copper resinate can be described using neutral copper acetate as a model. It consists, essentially, of bimetal $ Cu^{2+} $ carboxylate complexes with a distorted octahedral coordination. Such a structure is retained in the blackened pigment, although some differences were observed. It has been found that the alteration takes place without change of the valence state of Cu(II) ions, while the formation of the copper oxides CuO and $ Cu_{2} $O responsible for the embrownment is excluded. On the basis of the XAS results we deduced that discoloration of copper resinate may be related to local modification of the copper coordination structure as evidenced by the observation of an increase of the Cu–Cu and Cu–C distances in the EXAFS spectra. © Springer-Verlag 2008 |
| abstract_unstemmed |
Abstract Investigations of the darkening phenomenon of copper resinate observed in a XV century easel painting were carried out by X-ray absorption spectroscopy (XAS) at the GILDA beamline of the European synchrotron radiation facility (ESRF, Grenoble, France). X-ray absorption near edge structure and extended X-ray absorption fine structure (EXAFS) measurements were collected at the Cu K-edge on an original painting sample, as well as on fresh pigment standards and on painting models. The study was aimed at providing structural information of the oxidation states and the local chemical environment (neighbouring atoms and bond distances) of copper in the unaltered and blackened pigments in order to elucidate the discoloration mechanism. Complementary information on optical and molecular properties of copper resinate were obtained by UV-vis and Fourier transform infrared spectroscopies. EXAFS analysis evidenced that the local chemical environment of Cu in copper resinate can be described using neutral copper acetate as a model. It consists, essentially, of bimetal $ Cu^{2+} $ carboxylate complexes with a distorted octahedral coordination. Such a structure is retained in the blackened pigment, although some differences were observed. It has been found that the alteration takes place without change of the valence state of Cu(II) ions, while the formation of the copper oxides CuO and $ Cu_{2} $O responsible for the embrownment is excluded. On the basis of the XAS results we deduced that discoloration of copper resinate may be related to local modification of the copper coordination structure as evidenced by the observation of an increase of the Cu–Cu and Cu–C distances in the EXAFS spectra. © Springer-Verlag 2008 |
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X-ray absorption investigations of copper resinate blackening in a XV century Italian painting |
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Miliani, C. Brunetti, B.G. Sgamellotti, A. Altavilla, C. Ciliberto, E. D’Acapito, F. |
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Miliani, C. Brunetti, B.G. Sgamellotti, A. Altavilla, C. Ciliberto, E. D’Acapito, F. |
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10.1007/s00339-008-4498-y |
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| score |
7.4007196 |