Table 1 Location of amide I and amide II bands and amide I/amide II peak area ratio in the FTIR spectra of reference areas of the parchment pieces
From: Possible modifications of parchment during ion beam analysis
n = 6 | Position of amide I (cm−1) | Position of amide II (cm−1) | Distance (cm−1) | Amide I/Amide II peak area ratio |
|---|---|---|---|---|
Mean ± SD | 1632 ± 3 | 1538 ± 3 | 95 ± 2 | 1.063 ± 0.007 |