Fig. 8From: Cu and As containing pigments in Zhejiang architecture polychrome paintings: a case study of degradation products of emerald greenFalse color-plots µ-FTIR-ATR images and the characteristic spectra. a–c The measurement location; d–p the distribution maps of 787 cm−1, 1318 cm−1, 1110 cm−1, 1074 cm−1, 990 cm−1, 872 cm−1 in three samples; q, r, s the image segmentation of different distribution maps of characteristic peak; t–v the representative FTIR-ATR spectra belonging to each band distribution mapsBack to article page