Table 4.

Elemental type and concentrations (wt%) of coarse realgar and realgar nanoparticles (NPs) obtained with SEM-EDS analysis

Sample	Coarse realgar	Realgar NPs
As	67.48	64.67
S	32.42	34.46
Other elements	0.11	0.86
Total	100.01	99.99

Abbreviations: SEM-EDS, scanning electron microscope energy-dispersive spectrometer; As, arsenic; S, sulfur.