Figure 12. Percent distribution of metals in ESM of PCB of scrap mobile phones

From

Detailed Quantification of Toxic and Precious Metal Content of Scrap Mobile PCB by FE SEM/EDAX and Inductively Coupled Plasma-Optical Emission Spectroscopy Method

Sonawane P.M, Gupta S.G.

Applied Ecology and Environmental Sciences. 2020, 8(2), 55-63 doi:10.12691/aees-8-2-3