Research Article

The Use of FTIR and Micro-FTIR Spectroscopy: An Example of Application to Cultural Heritage

Figure 3

(a) Ultrathin section analyzed, (b) distribution maps of calcite, (c) gypsum, and (d) whewellite obtained by -FTIR-ATR spectroscopy. The bright areas indicate regions of high concentration, while dark areas indicate a low concentration.
893528.fig.003a
(a)
893528.fig.003b
(b)
893528.fig.003c
(c)
893528.fig.003d
(d)