Figure 6. EDAX for Selected Area 4. The EDAX selected area 4 depicts the presence of metals such as Cu and Al. Metalloid Si was also present with non metals such as C, S and O. Additionally, Ca, and Ba were also detected.

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