Vandenabeele P, Bodé S, Alonso A, Moens L
Ghent University, Department of Analytical Chemistry, Proeftuinstraat 86, B-9000 Ghent, Belgium.
Spectrochim Acta A Mol Biomol Spectrosc. 2005 Aug;61(10):2349-56. doi: 10.1016/j.saa.2005.02.034.
Raman spectroscopy has been applied to the examination of wall painting fragments from the archaeological site of Ek'Balam (Yucatán, Mexico). Thirty-three samples have been studied, all originating from room 23 of the Acropolis, and being representative of the painting technique at Ek'Balam during the late Classic Maya period. Several pigments such as haematite, calcite, carbon, cinnabar and indigo were identified in these samples. The latter pigment was presumed to be present as 'Maya blue', which is an intercalation product of indigo and palygorskite clay. The observed Raman spectra are reported and some band assignments have been made. This survey is the first Raman spectroscopic examination of a whole set of pigments in archaeological Maya wall painting fragments.
拉曼光谱已被应用于对来自墨西哥尤卡坦州埃克巴拉姆考古遗址的壁画碎片进行检测。共研究了33个样本，所有样本均来自卫城的23号房间，代表了古典玛雅时期晚期埃克巴拉姆的绘画技术。在这些样本中鉴定出了几种颜料，如赤铁矿、方解石、碳、朱砂和靛蓝。推测后一种颜料以“玛雅蓝”的形式存在，它是靛蓝和坡缕石粘土的插层产物。报告了观察到的拉曼光谱，并进行了一些谱带归属。这项调查是对考古玛雅壁画碎片中一整套颜料的首次拉曼光谱检测。
