Table 2 Color change measurements of the paper manuscript before treatment, after the cleaning process, and after the consolidation process.
Samples | (L) | (a) | (b) | \(\Delta\)E |
|---|---|---|---|---|
 Applied sample before treatment | 76.00 | 5.74 | 14.86 | - |
 Applied sample after cleaning | 78.27 | -3.58 | 15.68 | 9.62 |
Applied sample after consolidation | 76.77 | -3.53 | 15.41 | 1.52 |
