Fig. 13: Examples of FTIR spectra from Cerreto, Ringsted and Sorø.
From: Testing a hypothesis of technology transfer in the 1100’s between Italy and Denmark
FTIR spectra from representative samples from Cerreto a Lodi (KLR-13202/L246, blue curves), Ringsted (KLR-12745/R51, dark red curves), and Sorø (KLR-12704/S10, light brown curves). Top: measured transmittance. Bottom: second derivative. Q: quartz, Cal: calcite, M-sm: meta-smectite, Dp: diopside, An: anorthite, Gh: gehlenite, M: muscovite, Sm: smectite, Mr: microcline.
