Table 4. p-XRF data of Wooden Amitabha Buddha Altarpiece

Serial number Sample name Analysis location Main element Expected material
1 BX-1 White color pigment Lead (Pb) Lead white
2 BX-2 Red color pigment Mercury (Hg), lead (Pb), iron (Fe) Cinnabar, hematite, minium
3 BX-3 Green color pigment Copper (Cu), chrome (Cr) Malachite, chrome oxide green
4 BX-4 Reddish brown color pigment Lead (Pb) Minium
5 BX-5 Green color pigment Chrome (Cr) Chrome oxide green
6 BX-6 White color pigment Lead (Pb) Lead white
7 BX-7 Red color pigment Mercury (Hg), cadmium (Cd) Cinnabar, cadmium red
8 BX-8 Gold Gold (Au) Gold
9 BX-9 Gold Gold (Au) Gold
10 BX-10 Reddish orange color pigment Lead (Pb) Minium
11 BX-11 Black color pigment Carbon (C) Ink stick
12 BX-12 Orange color pigment Lead (Pb) Minium
13 BX-13 Black color pigment Carbon (C) Ink stick
14 BX-14 Red color pigment Cadmium (Cd), mercury (Hg) Cadmium red, Cinnabar
15 BX-15 Gold Gold (Au) Gold
16 BX-16 Golden yellow color pigment Gold (Au), lead (Pb) Gold, minium
17 BX-17 Green color pigment Copper (Cu) Malachite
18 BX-18 Orange color pigment Lead (Pb) Minium
19 BX-19 White color pigment Lead (Pb) Lead white
20 BX-20 White color pigment Lead (Pb) Lead white