2014 |
Ogalde, J P; Salas, C O; Lara, N; Leyton, P; Paipa, C; Campos-Vallette, M; Arriaza, B Multi-Instrumental Identification of Orpiment in Archaeological Mortuary Contexts Artículo de revista Journal of the Chilean Chemical Society, 59 (3), pp. 2571-2573, 2014, ISSN: 0717-9707. Resumen | Enlaces | BibTeX | Etiquetas: ceramics, chile, chorrillos, color, glass manuscripts, northern pararealgar, persian pigments, raman raman, realgar, sem-edx, spectra, spectroscopy @article{RN210, title = {Multi-Instrumental Identification of Orpiment in Archaeological Mortuary Contexts}, author = { J.P. Ogalde and C.O. Salas and N. Lara and P. Leyton and C. Paipa and M. Campos-Vallette and B. Arriaza}, url = {/brokenurl#<Go to ISI>://WOS:000347833800010}, doi = {10.4067/S0717-97072014000300010}, issn = {0717-9707}, year = {2014}, date = {2014-01-01}, journal = {Journal of the Chilean Chemical Society}, volume = {59}, number = {3}, pages = {2571-2573}, abstract = {This 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, H-1-RMN, C-13-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. H-1-RMN and C-13-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.}, keywords = {ceramics, chile, chorrillos, color, glass manuscripts, northern pararealgar, persian pigments, raman raman, realgar, sem-edx, spectra, spectroscopy}, pubstate = {published}, tppubtype = {article} } This 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, H-1-RMN, C-13-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. H-1-RMN and C-13-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. |
2014 |
Multi-Instrumental Identification of Orpiment in Archaeological Mortuary Contexts Artículo de revista Journal of the Chilean Chemical Society, 59 (3), pp. 2571-2573, 2014, ISSN: 0717-9707. |