Figure 2.
According to the EDaX image, the elementary composition evaluation ranges from 0 to 20 keV. Several elements are shown, and among the elements Cu (copper) is a major particle.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.