Table 3 TG/DTG parameters of ancient leather

From: Quantitative assessment of hardened leather artifact deterioration using infrared spectroscopy

Ancient samples

I/°C

II/°C

III/°C

weight loss rate (I)/%

weight loss rate (II)/%

weight loss rate (III)/%

carbonaceous residue/%

New leather

82.23

323.75

657.23

8.80

59.05

15.31

16.98

Old1

77.15

330.00

/

12.66

56.27

5.40

25.67

Old2

71.42

322.05

729.27

10.62

41.82

9.2

38.52

Old3

81.58

331.69

/

12.66

56.27

4.44

26.63