Skip to main content
Heritage Science

Table 1 Spectral bands commonly found in parchment from NIR spectroscopy

From: Is there evidence for change to collagen within parchment samples after exposure to an X-ray dose during high contrast X-ray microtomography? a multi technique investigation

Wavelength (nm)

Assignment

2310

Lipids

2290

CONH2 specifically due to an α-helix

2180

2 × stretch C=O and peptide mode group

2050

N-H combination from protein

1947

O-H stretch and deformation from water

1738

CONH2 specifically due to an α-helix

1470-1490

N-H

Back to article page