Table 1. Portable X-ray fluorescence (p-XRF) data of Amitabha Buddha (Buddha Triad)

Serial number	Sample name	Analysis location	Main element	Expected material
1	AX-1	Green color pigment	Chrome (Cr), gold (Au)	Chrome oxide green and gold detected likely from gold leaf layer
2	AX-2	Gold	Gold (Au)	Gold
3	AX-3	Red color pigment	Cadmium (Cd), sulfur (S), gold (Au)	Cadmium red and gold detected likely from gold leaf layer
4	AX-4	Gold	Gold (Au)	Gold