Simulation-aided infrared thermography with decomposition-based noise reduction for detecting defects in ancient polyptychs

Heritage Science

Table 2 The thermal parameters of the materials

Material	Emissivity	Density[kg/m^3]	Heat capacity[J/kg*K]	Thermal Conductivity [W/m*K]
(a) The relevant thermal parameters of pigments in sample A
Cadmium red	0.93	4258	1490	2.7
Chromium oxide	0.92	6500	1700	2.6
Titanium white	0.91	4260	1041	0.43
Lemon chrome yellow	0.93	3895	1100	2.1
Natural ochre	0.93	5240	1010	1.16
Ivory black	0.96	2100	720	151

(b) The relevant parameters of pigments in sample B
Scarlet	0.93	1610	920	2.4
Green Earth	0.92	2800	799	3.5
Golden ochre	0.94	4500	1010	1.16
Zinc white	0.95	5606	520	29
Ivory black	0.96	2100	720	151