Table 3 Colorimetric measurements of model leather samples in different conditions
From: Feasibility of ultrafast picosecond laser cleaning of soiling on historical leather buckles
Sample | L | a | b |
|---|---|---|---|
Reference leather | 78.22 | 8.12 | 17.65 |
Aged leather | 51.92 | 25.91 | 27.87 |
Soiled leather | 32.73 | 10.42 | 10.19 |
Laser cleaned | 49.16 | 23.11 | 27.22 |