Combined use of vibrational spectroscopy and GC–MS methods in the characterization of archaeological pastes from Patagonia
Two samples of ochre painting residues (crayons) obtained from the archaeological site Cave Loncomán (Río Negro, Argentina) were analysed by ATR-IR and FT-Raman spectroscopy revealing the presence of haematite as the red pigment. Further analysis by FTIR of the chloroform/methanol extracts from both...
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| Veröffentlicht in: | Vibrational spectroscopy 2007-05, Vol.44 (1), p.182-186 |
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| container_title | Vibrational spectroscopy |
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| creator | Maier, M.S. de Faria, D.L.A. Boschín, M.T. Parera, S.D. del Castillo Bernal, M.F. |
| description | Two samples of ochre painting residues (crayons) obtained from the archaeological site Cave Loncomán (Río Negro, Argentina) were analysed by ATR-IR and FT-Raman spectroscopy revealing the presence of haematite as the red pigment. Further analysis by FTIR of the chloroform/methanol extracts from both archaeological pastes showed the presence of carboxylic acids, indicative of hydrolysis of triacylglycerols in the pastes. Analysis by GC and GC/MS indicated that the main organic constituents of both pastes were saturated (C
16:0 and C
18:0) and unsaturated (C
16:1 and C
18:1) fatty acids. Our results show that the combined FTIR and Raman spectroscopic evaluation of archaeological pastes and their organic extracts provides a very useful and simple methodology to characterize the inorganic pigment and the presence of organic binders in an archaeological sample. |
| doi_str_mv | 10.1016/j.vibspec.2006.09.003 |
| format | Article |
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16:0 and C
18:0) and unsaturated (C
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16:0 and C
18:0) and unsaturated (C
16:1 and C
18:1) fatty acids. Our results show that the combined FTIR and Raman spectroscopic evaluation of archaeological pastes and their organic extracts provides a very useful and simple methodology to characterize the inorganic pigment and the presence of organic binders in an archaeological sample.</description><subject>Archaeological pastes</subject><subject>FT-Raman</subject><subject>Haematite</subject><subject>Infrared spectroscopy</subject><subject>Lipids</subject><issn>0924-2031</issn><issn>1873-3697</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNqFkMtKxDAUhoMoOF4eQcjKXWsubTpdiQzeQFFQ1-FMeupkaJuaZATFhe_gG_okZhz3rg4c_v-D_yPkiLOcM65OlvmrnYcRTS4YUzmrc8bkFpnwaSUzqepqm0xYLYpMMMl3yV4IS5aCJZcT8jFz_dwO2NBVQOpamlAeonUDdHTNjN4F48Y3CkNDL2ffn1-3D7THuHBNoHagcYHULMCDiejt-291zQGfvug692xNQo0QIgbaetfTe4jw7AYLB2SnhS7g4d_dJ08X54-zq-zm7vJ6dnaTGTmtYlYyDgrUvMVCQFGhqouqQAYoWKugKoQsTVXzxoBCVHOFJUyhbOumLVGiEnKfHG-4o3cvKwxR9zYY7DoY0K2CFvWUC1kVKVhugiatDh5bPXrbg3_TnOm1a73Uf6712rVmtU6uU-9008O04tWi18FYHAw21ieFunH2H8IPmauOrQ</recordid><startdate>20070515</startdate><enddate>20070515</enddate><creator>Maier, M.S.</creator><creator>de Faria, D.L.A.</creator><creator>Boschín, M.T.</creator><creator>Parera, S.D.</creator><creator>del Castillo Bernal, M.F.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20070515</creationdate><title>Combined use of vibrational spectroscopy and GC–MS methods in the characterization of archaeological pastes from Patagonia</title><author>Maier, M.S. ; de Faria, D.L.A. ; Boschín, M.T. ; Parera, S.D. ; del Castillo Bernal, M.F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c387t-501a6a6bfe42a47e69474e0ae20f6a74235c791dca6ee6b6e5a8a5f9df5e3e623</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Archaeological pastes</topic><topic>FT-Raman</topic><topic>Haematite</topic><topic>Infrared spectroscopy</topic><topic>Lipids</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Maier, M.S.</creatorcontrib><creatorcontrib>de Faria, D.L.A.</creatorcontrib><creatorcontrib>Boschín, M.T.</creatorcontrib><creatorcontrib>Parera, S.D.</creatorcontrib><creatorcontrib>del Castillo Bernal, M.F.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Vibrational spectroscopy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Maier, M.S.</au><au>de Faria, D.L.A.</au><au>Boschín, M.T.</au><au>Parera, S.D.</au><au>del Castillo Bernal, M.F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Combined use of vibrational spectroscopy and GC–MS methods in the characterization of archaeological pastes from Patagonia</atitle><jtitle>Vibrational spectroscopy</jtitle><date>2007-05-15</date><risdate>2007</risdate><volume>44</volume><issue>1</issue><spage>182</spage><epage>186</epage><pages>182-186</pages><issn>0924-2031</issn><eissn>1873-3697</eissn><abstract>Two samples of ochre painting residues (crayons) obtained from the archaeological site Cave Loncomán (Río Negro, Argentina) were analysed by ATR-IR and FT-Raman spectroscopy revealing the presence of haematite as the red pigment. Further analysis by FTIR of the chloroform/methanol extracts from both archaeological pastes showed the presence of carboxylic acids, indicative of hydrolysis of triacylglycerols in the pastes. Analysis by GC and GC/MS indicated that the main organic constituents of both pastes were saturated (C
16:0 and C
18:0) and unsaturated (C
16:1 and C
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| ispartof | Vibrational spectroscopy, 2007-05, Vol.44 (1), p.182-186 |
| issn | 0924-2031 1873-3697 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Archaeological pastes FT-Raman Haematite Infrared spectroscopy Lipids |
| title | Combined use of vibrational spectroscopy and GC–MS methods in the characterization of archaeological pastes from Patagonia |
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