International Journal of Analytical Chemistry / 2018 / Article / Fig 1

Research Article

Mid and Near-Infrared Reflection Spectral Database of Natural Organic Materials in the Cultural Heritage Field

Figure 1

FTIR spectra in the mid-infrared region of the studied proteinaceous materials (black line: hide glue, gray line: bone glue, light gray line: casein) using different analysis modes. From top to bottom: total reflection mode before the KKT correction, total reflection mode after the KKT correction, and transflection mode. Spectral regions of (a) 4000-375 cm−1 and (b) CH stretching bands.

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