标题：Vértesszőlősi, alsó paleolit korból származó állatcsontok vizsgálata FTIR és FT-Raman spektroszkópiai módszerekkel / FTIR and FT-Raman spectroscopical study of Lower Palaeolithic bones from Vértesszőlős
摘要：Archaeological bone samples of burned and unburned appearance from Vértesszőlős excavation were analysed
by FT-Raman, FTIR and Far-FTIR techniques and compared with results of modern bones.
FTIR spectrum of archaeological sample is similar to OH-apatite with some carbonate contamination, referring
to a perfect crystalline structure. In the archaeological bone spectrum with the most burned appearance,
however, an extra band at 1050 cm-1 (shoulder) starts to grow up. (After oven experiment of fresh bone a well
defined splitting at 1047 and 1038 cm-1 occurs, presumably due to apatite transformation.) The relative
intensities of 1102/1043 cm-1 and 604/565 cm-1 are also changed. Far-FTIR measurements also reveal changes
in the lattice structure for burned samples. IR spectra of burned ancient bones and of fresh bones after oven
experiment are very similar also in the spectral region between 1700 and 1200 cm-1. No dark coloured metaloxide
species (~530 cm-1) were detected.
FT-Raman spectrum of unburned archaeological bone shows small organic contamination (IR showed the
same) and a very nice crystalline structure. Burned bones, dark coloured samples, because the strong heating
effect, were difficult to measure producing not very good S/N spectra. Less organic contamination, but some
extra bands of carbonate (1435, 1083, 701 and 280 cm-1) are present in the spectrum. Regarding the crystalline
structure, again some small shift from 590 to 593 cm-1 in the ν
4PO4 contour can be observed.
Combination of Raman and FTIR spectroscopy can be an effective tool to investigate archaeological remains of
organic origin.
