Transmission IR Spectra |
 |
| The IR spectra indicates N-H and C=O stretches in agreement with the presence of amino acids (N-H and C=O stretches). This most likely indicates the binder used was an animal glue. |
Transmission IR Spectra |
|
| The IR spectra indicates N-H and C=O stretches in agreement with the presence of amino acids (N-H and C=O stretches). This most likely indicates the binder used was an animal glue. |