MULTI-INSTRUMENTAL IDENTIFICATION OF ORPIMENT IN ARCHAEOLOGICAL MORTUARY CONTEXTS

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dc.contributor.authorOGALDE, JUAN PABLO
dc.contributor.authorSALAS, CRISTIAN O.
dc.contributor.authorLARA, NELSON
dc.contributor.authorLEYTON, PATRICIO
dc.contributor.authorPAIPA, CAROLINA
dc.contributor.authorCAMPOS-VALLETTE, MARCELO
dc.contributor.authorARRIAZA, BERNARDO
dc.date.accessioned2016-07-04T13:37:10Z
dc.date.available2016-07-04T13:37:10Z
dc.date.issued2014-09
dc.descriptionIndexación: Web of Science; Scielo.es
dc.description.abstractThis paper reports on an unknown yellowish mineral compound found in an archaeological context from Chorrillos cemetery (Calama, Chile) dating to the Early Formative period (800 - 200 B.C.). We used optic microscopy, SEM, EDX, 1H-RMN, 13C-RMN, and infrared (IR) and Raman spectroscopy to tease out the chemical and molecular composition of the sample. The microscopic images show amorphous yellowish granulates with heterogeneous chemical surfaces. 1H-RMN and 13C-RMN negative results show that the sample is free of organic matter. The SEM and EDX indicate the presence of arsenic and sulfur in the sample. The IR and Raman analyses suggest the presence of orpiment which is a toxic yellow arsenic sulfide mineral.es
dc.description.urihttp://ref.scielo.org/mfcms4
dc.identifier.citationJ. Chil. Chem. Soc. vol.59 no.3 Concepción Sept. 2014es
dc.identifier.issn0717-9707
dc.identifier.otherhttp://dx.doi.org/10.4067/S0717-97072014000300010
dc.identifier.urihttp://repositorio.unab.cl/xmlui/handle/ria/932
dc.language.isoenes
dc.publisherSociedad Chilena de Químicaes
dc.subjectPigmentses
dc.subjectRaman spectroscopyes
dc.subjectSEM-EDXes
dc.subjectChorrilloses
dc.subjectNorthern Chilees
dc.titleMULTI-INSTRUMENTAL IDENTIFICATION OF ORPIMENT IN ARCHAEOLOGICAL MORTUARY CONTEXTSes
dc.typeArtículoes
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