Table 2 Show the results of investigation and analysis of leather samples
From: Feasibility of ultrafast picosecond laser cleaning of soiling on historical leather buckles
Leather condition | Tg (°C) | Moisture content (% w/w) | FTIR (cm−1) | EDS | F dam (J cm−2) | F abl (J cm−2) |
|---|---|---|---|---|---|---|
Model non-aged reference | 109 | 12 | ||||
Model aged | 82 (−25 %) | 10 | 1377, Amide-I (1634) and Amide-II (1535) | |||
Model laser cleaned | 82 | 9 | 3 (3 scans) | 1.02 (5 scans) | ||
Historical leather | Soling: 878, 1422 (CaCO3). 795, 1012 (clay) | Soling: C, Ca, S, Si, Cl, Al, Na, Fe | 2 (6 scans) | 2 (3 scans) |